diff --git a/api-ref/source/v2-ext/extensions.inc b/api-ref/source/v2-ext/extensions.inc
index d27d6298a..c0ea3ff0d 100644
--- a/api-ref/source/v2-ext/extensions.inc
+++ b/api-ref/source/v2-ext/extensions.inc
@@ -25,7 +25,8 @@ The response shows the extension name and its alias. To show
 details for an extension, you specify the alias.
 
 Normal response codes: 200
-Error response codes:203,
+
+Error response codes: 203
 
 Request
 -------
@@ -56,7 +57,8 @@ Show extension details
 Shows details for an extension, by alias.
 
 Normal response codes: 200
-Error response codes:203,
+
+Error response codes: 203
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/extraroute.inc b/api-ref/source/v2-ext/extraroute.inc
index 78fb89191..c712d3485 100644
--- a/api-ref/source/v2-ext/extraroute.inc
+++ b/api-ref/source/v2-ext/extraroute.inc
@@ -37,7 +37,8 @@ for subnets that are used by one or more routes, it responds with a
 ``Conflict (409)`` response code.
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/flavors-framework-v2.0.inc b/api-ref/source/v2-ext/flavors-framework-v2.0.inc
index 9cc3dd36e..7c91b7e2d 100644
--- a/api-ref/source/v2-ext/flavors-framework-v2.0.inc
+++ b/api-ref/source/v2-ext/flavors-framework-v2.0.inc
@@ -21,7 +21,7 @@ Disassociate a flavor.
 
 Disassociate a flavor from a service profile.
 
-Error response codes:404,403,204,401,
+Error response codes: 404,403,204,401
 
 Request
 -------
@@ -44,7 +44,8 @@ tenant account, the service returns the HTTP ``Forbidden (403)``
 response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -79,7 +80,7 @@ Update service profile
 Updates a service profile.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,
+Error response codes: 404,403,401,400
 
 Request
 -------
@@ -128,7 +129,7 @@ Attempting to delete a service profile that is currently associated
 with a flavor will return a ``Conflict 409`` with a response body
 containing an in use message.
 
-Error response codes:409,404,403,204,401,
+Error response codes: 409,404,403,204,401
 
 Request
 -------
@@ -149,7 +150,8 @@ The list can be empty.
 Standard query parameters are supported on the URI.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -199,7 +201,7 @@ data that is not valid, the service returns the HTTP ``Bad Request
 response body. Validation errors require that you correct the error
 and submit the request again.
 
-Error response codes:201,403,401,400,
+Error response codes: 201,403,401,400
 
 Request
 -------
@@ -250,7 +252,8 @@ configuration has allow_sorting = true, ``sort_key`` and
 'desc'.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -308,7 +311,7 @@ data that is not valid, the service returns the HTTP ``Bad Request
 response body. Validation errors require that you correct the error
 and submit the request again.
 
-Error response codes:201,403,401,400,
+Error response codes: 201,403,401,400
 
 Request
 -------
@@ -351,7 +354,7 @@ A flavor can be associated with more than one profile.
 
 Will return ``409 Conflict`` if association already exists.
 
-Error response codes:201,404,403,401,400,409,
+Error response codes: 201,404,403,401,400,409
 
 Request
 -------
@@ -389,7 +392,8 @@ tenant account, the service returns the HTTP ``Forbidden (403)``
 response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -428,7 +432,8 @@ The service_type cannot be updated as there may be associated
 service profiles and consumers depending on the value.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,
+
+Error response codes: 404,403,401,400
 
 Request
 -------
@@ -473,7 +478,7 @@ Delete flavor
 
 Deletes a flavor.
 
-Error response codes:404,403,204,401,
+Error response codes: 404,403,204,401
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/fwaas-v2.0.inc b/api-ref/source/v2-ext/fwaas-v2.0.inc
index b2de2e96c..334953308 100644
--- a/api-ref/source/v2-ext/fwaas-v2.0.inc
+++ b/api-ref/source/v2-ext/fwaas-v2.0.inc
@@ -53,7 +53,8 @@ firewall_rule_id set in ``insert_before`` or ``insert_after``. If
 firewall_rule_id is inserted at the top of the policy.
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
@@ -103,7 +104,8 @@ object does not belong to the tenant account, this call returns the
 ``Forbidden (403)`` response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -140,7 +142,8 @@ Update firewall policy
 Updates a firewall policy.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -182,7 +185,7 @@ Delete firewall policy
 
 Deletes a firewall policy.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -201,7 +204,8 @@ Lists all firewall policies.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -233,7 +237,7 @@ Create firewall policy
 
 Creates a firewall policy.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -280,7 +284,8 @@ object does not belong to the tenant account, this call returns the
 ``Forbidden (403)`` response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -325,7 +330,8 @@ Update firewall rule
 Updates a firewall rule.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -387,7 +393,7 @@ Delete firewall rule
 
 Deletes a firewall rule.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -408,7 +414,8 @@ does not belong to the tenant account, this call returns the
 ``Forbidden (403)`` response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -449,7 +456,8 @@ To update a service, the service status cannot be a ``PENDING_*``
 status.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -498,7 +506,7 @@ Delete firewall
 
 Deletes a firewall.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -517,7 +525,8 @@ Lists all firewall rules.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -557,7 +566,7 @@ Create firewall rule
 
 Creates a firewall rule.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -615,7 +624,8 @@ Lists all firewalls.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -653,7 +663,7 @@ The firewall must be associated with a firewall policy.
 If ``admin_state_up`` is ``false``, the firewall would block all
 traffic.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -696,7 +706,8 @@ Remove rule from firewall policy
 Remove firewall rule from a policy.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/layer3-ext.inc b/api-ref/source/v2-ext/layer3-ext.inc
index 3e3ce7648..30ac937ef 100644
--- a/api-ref/source/v2-ext/layer3-ext.inc
+++ b/api-ref/source/v2-ext/layer3-ext.inc
@@ -46,7 +46,8 @@ and Column Selection <https://wiki.openstack.org/wiki/Neutron/APIv2
 -specification#Filtering_and_Column_Selection>`__.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -131,7 +132,7 @@ Error codes:
   - The internal OpenStack Networking port and fixed IP address are
     already associated with another floating IP.
 
-Error response codes:201,404,409,401,400,
+Error response codes: 201,404,409,401,400
 
 Request
 -------
@@ -221,7 +222,8 @@ After you run this operation, the operation sets:
 - The ``device_owner`` attribute to ``network:router_interface``.
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
@@ -287,7 +289,8 @@ This example deletes an interface from a router:
    PUT /v2.0/routers/{router_id}/remove_router_interface Accept: application/json
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
@@ -345,7 +348,8 @@ format. This example also filters the result by the
    Accept: application/json
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -398,7 +402,8 @@ Depending on the request body that you submit, this request
 associates a port with or disassociates a port from a floating IP.
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
@@ -449,7 +454,7 @@ This example deletes a floating IP:
 
    DELETE /v2.0/floatingips/{floatingip_id} Accept: application/json
 
-Error response codes:404,204,401,
+Error response codes: 404,204,401
 
 Request
 -------
@@ -478,7 +483,8 @@ specs/specs/api/networking_general_api_information.html#filtering-
 and-column-selection>`__.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -533,7 +539,8 @@ This example updates the external gateway information for a router:
    PUT /v2.0/routers/{router_id} Accept: application/json
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -598,7 +605,7 @@ This example deletes a router:
 
    DELETE /v2.0/routers/{router_id} Accept: application/json
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -631,7 +638,8 @@ and Column Selection <https://wiki.openstack.org/wiki/Neutron/APIv2
 -specification#Filtering_and_Column_Selection>`__.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -689,7 +697,7 @@ follows:
       }
    }
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/lbaas.inc b/api-ref/source/v2-ext/lbaas.inc
index 3db72b867..9f97c87e3 100644
--- a/api-ref/source/v2-ext/lbaas.inc
+++ b/api-ref/source/v2-ext/lbaas.inc
@@ -46,7 +46,8 @@ List members
 Lists members.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -80,7 +81,7 @@ Create a load balancer member
 
 Creates a load balancer member.
 
-Error response codes:201,400,401,413,503,500,
+Error response codes: 201,400,401,413,503,500
 
 Request
 -------
@@ -134,7 +135,8 @@ that contains the load balancer and all provisioning and operating
 statuses for its children.
 
 Normal response codes: 200
-Error response codes:403,401,413,503,500,
+
+Error response codes: 403,401,413,503,500
 
 Request
 -------
@@ -173,7 +175,8 @@ code.
 Example: Show listener details
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -225,7 +228,8 @@ the listener is attached does not have an ``ACTIVE`` provisioning
 status.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -292,7 +296,7 @@ attached does not have an ``ACTIVE`` provisioning status.
 
 Example: Delete a listener
 
-Error response codes:204,400,409,401,413,503,500,
+Error response codes: 204,400,409,401,413,503,500
 
 Request
 -------
@@ -312,7 +316,8 @@ the HTTP ``Forbidden (403)`` response code.
 Example: Show health monitor details
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -357,7 +362,8 @@ unsupported attribute, the service returns the HTTP ``Immutable
 (422)`` response code.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -418,7 +424,7 @@ does not have an ``ACTIVE`` provisioning status.
 
 Example: Delete a health monitor
 
-Error response codes:204,400,409,401,413,503,500,
+Error response codes: 204,400,409,401,413,503,500
 
 Request
 -------
@@ -431,7 +437,8 @@ Show member details
 Shows details for a member.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -470,7 +477,8 @@ Update member
 Updates a load balancer member.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -518,7 +526,7 @@ Delete member
 
 Deletes a load balancer member.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -545,7 +553,8 @@ If this operation succeeds, it returns a pool element.
 Example: Show pool member details
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -591,7 +600,8 @@ Note: You cannot update a member if the attached load balancer does
 not have an ``ACTIVE`` provisioning status.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -646,7 +656,7 @@ have an ``ACTIVE`` provisioning status.
 
 Example: Remove a member from a pool
 
-Error response codes:204,400,409,401,413,503,500,
+Error response codes: 204,400,409,401,413,503,500
 
 Request
 -------
@@ -698,7 +708,7 @@ their own to create members for other tenants.
 To update a member, the load balancer must have an ``ACTIVE``
 provisioning status.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -749,7 +759,8 @@ The list might be empty.
 Example: List pool members
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -789,7 +800,8 @@ belong to your tenant account, the service returns the HTTP
 ``Forbidden (403)`` response code.
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -836,7 +848,8 @@ This operation returns the updated load balancer object with the
 ``ACTIVE``, ``PENDING_UPDATE``, or ``ERROR`` provisioning status.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -891,7 +904,7 @@ cannot recover it.
 
 Example: Delete a load balancer
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -904,7 +917,8 @@ Show VIP details
 Shows details for a VIP.
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -949,7 +963,8 @@ Update VIP
 Updates a load balancer VIP.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -1006,7 +1021,7 @@ Delete VIP
 
 Deletes a load balancer VIP.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -1025,7 +1040,8 @@ Lists all load balancers for the tenant account.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:404,500,401,503,
+
+Error response codes: 404,500,401,503
 
 Request
 -------
@@ -1139,7 +1155,7 @@ provider will result in a conflict error.
 
 Example: Create a load balancer
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -1187,7 +1203,7 @@ Associate health monitor with pool
 
 Associates a health monitor with a pool.
 
-Error response codes:201,400,401,413,503,500,
+Error response codes: 201,400,401,413,503,500
 
 Request
 -------
@@ -1228,7 +1244,8 @@ If this operation succeeds, it returns a ``pool`` element.
 Example: Show pool details
 
 Normal response codes: 200
-Error response codes:404,403,500,401,413,503,409,
+
+Error response codes: 404,403,500,401,413,503,409
 
 Request
 -------
@@ -1279,7 +1296,8 @@ Note: You cannot update a pool if the load balancer to which it is
 attached does not have an ``ACTIVE`` provisioning status.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -1337,7 +1355,7 @@ configuration data. You cannot recover it.
 You cannot delete a pool if the load balancer to which it is
 attached does not have an ``ACTIVE`` provisioning status.
 
-Error response codes:204,400,409,401,413,503,500,
+Error response codes: 204,400,409,401,413,503,500
 
 Request
 -------
@@ -1402,7 +1420,7 @@ their own to create health monitors for other tenants.
 To update a health monitor, the load balancer to which to attach
 must have an ``ACTIVE`` provisioning status.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -1457,7 +1475,8 @@ your tenant account.
 This operation returns a list, which might be empty.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -1552,7 +1571,7 @@ their own to create listeners for other tenants.
 To update a listener, the load balancer to which to attach must
 have an ``ACTIVE`` provisioning status.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -1612,7 +1631,8 @@ The list might be empty.
 Example: List listeners
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -1697,7 +1717,7 @@ their own to create pools for other tenants.
 To update a pool, the load balancer to which to attach must have an
 ``ACTIVE`` provisioning status.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -1752,7 +1772,8 @@ The list might be empty.
 Example: List pools
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -1789,7 +1810,7 @@ Disassociate health monitor from pool
 
 Disassociates a health monitor from a pool.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -1807,7 +1828,8 @@ Show health monitor details
 Shows details for a health monitor.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -1848,7 +1870,8 @@ Update health monitor
 Updates a load balancer health monitor.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -1902,7 +1925,7 @@ Delete health monitor
 
 Deletes a load balancer health monitor.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -1919,7 +1942,8 @@ List pools
 Lists pools.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -1959,7 +1983,7 @@ Create a load balancer pool
 
 Creates a load balancer pool.
 
-Error response codes:201,400,401,413,503,500,
+Error response codes: 201,400,401,413,503,500
 
 Request
 -------
@@ -2011,7 +2035,8 @@ List health monitors
 Lists health monitors.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -2047,7 +2072,7 @@ Create a load balancer health monitor
 
 Creates a load balancer health monitor.
 
-Error response codes:201,400,401,413,503,500,
+Error response codes: 201,400,401,413,503,500
 
 Request
 -------
@@ -2099,7 +2124,8 @@ Lists VIPs.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -2139,7 +2165,7 @@ Create a load balancer VIP
 
 Creates a load balancer VIP.
 
-Error response codes:201,400,404,500,401,413,503,409,
+Error response codes: 201,400,404,500,401,413,503,409
 
 Request
 -------
@@ -2195,7 +2221,8 @@ Show pool details
 Shows details for a pool.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -2240,7 +2267,8 @@ Update pool
 Updates a load balancer pool.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -2295,7 +2323,7 @@ Delete pool
 
 Deletes a load balancer pool.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/metering-labels-ext.inc b/api-ref/source/v2-ext/metering-labels-ext.inc
index 8282c7287..d435c83a9 100644
--- a/api-ref/source/v2-ext/metering-labels-ext.inc
+++ b/api-ref/source/v2-ext/metering-labels-ext.inc
@@ -21,7 +21,8 @@ Lists all L3 metering labels that belong to the tenant.
 The list shows the UUID for each metering label.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -51,7 +52,7 @@ Create metering label
 
 Creates an L3 metering label.
 
-Error response codes:201,403,401,400,
+Error response codes: 201,403,401,400
 
 Request
 -------
@@ -91,7 +92,8 @@ Shows details for a metering label.
 The response body shows the description, name, and UUID.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -121,7 +123,7 @@ Delete metering label
 
 Deletes an L3 metering label.
 
-Error response codes:404,204,401,
+Error response codes: 404,204,401
 
 Request
 -------
@@ -136,7 +138,8 @@ Lists a summary of all L3 metering label rules that belong to the tenant.
 The list shows the UUID for each metering label rule.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -166,7 +169,7 @@ Create metering label rule
 
 Creates an L3 metering label rule.
 
-Error response codes:201,404,403,401,400,409,
+Error response codes: 201,404,403,401,400,409
 
 Request
 -------
@@ -219,7 +222,8 @@ rule:
   is associated.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -237,7 +241,7 @@ Delete metering label rule
 
 Deletes an L3 metering label rule.
 
-Error response codes:404,204,401,
+Error response codes: 404,204,401
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/network-provider.inc b/api-ref/source/v2-ext/network-provider.inc
index 3687b6b53..66ace0c07 100644
--- a/api-ref/source/v2-ext/network-provider.inc
+++ b/api-ref/source/v2-ext/network-provider.inc
@@ -28,7 +28,8 @@ Show network details (provider network)
 Shows details for a network.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -73,7 +74,8 @@ Update network (provider network)
 Updates a network.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -133,7 +135,7 @@ Delete network (provider network)
 
 Deletes a network.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -150,7 +152,8 @@ List networks (provider network)
 Lists networks that are accessible to the tenant who submits the request.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -190,7 +193,7 @@ Create network (provider network)
 
 Creates a network.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/networking-ip-availability-ext.inc b/api-ref/source/v2-ext/networking-ip-availability-ext.inc
index c913090e7..ca7ce99e7 100644
--- a/api-ref/source/v2-ext/networking-ip-availability-ext.inc
+++ b/api-ref/source/v2-ext/networking-ip-availability-ext.inc
@@ -20,7 +20,8 @@ Show Network IP Availability
 Shows network IP availability details for a network.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -60,7 +61,8 @@ List Network IP Availability
 Lists network IP availability of all networks.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/networks-multi-provider-ext.inc b/api-ref/source/v2-ext/networks-multi-provider-ext.inc
index 3a2f7b9a9..74601797a 100644
--- a/api-ref/source/v2-ext/networks-multi-provider-ext.inc
+++ b/api-ref/source/v2-ext/networks-multi-provider-ext.inc
@@ -41,7 +41,8 @@ Show details for a network with multiple segments
 Shows details for a network with multiple segments.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -85,7 +86,8 @@ List networks with multiple segment mappings
 Lists networks that are accessible to the tenant who submits the request. Networks with multiple segments include the ``segments`` list in the response.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -124,7 +126,7 @@ Create network with multiple segment mappings
 
 Creates a network with multiple segment mappings.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/networks-vlan-transparency-ext.inc b/api-ref/source/v2-ext/networks-vlan-transparency-ext.inc
index 5040b6898..b98774c51 100644
--- a/api-ref/source/v2-ext/networks-vlan-transparency-ext.inc
+++ b/api-ref/source/v2-ext/networks-vlan-transparency-ext.inc
@@ -32,7 +32,8 @@ Show VLAN-transparent network details
 Shows details for a VLAN-transparent network.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -73,7 +74,8 @@ List networks with VLAN transparency attribute
 Lists networks. The response shows the VLAN transparency attribute.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -109,7 +111,7 @@ Create VLAN-transparent network
 
 Creates a VLAN-transparent network.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/port-binding.inc b/api-ref/source/v2-ext/port-binding.inc
index 37542fc0f..0d58d4080 100644
--- a/api-ref/source/v2-ext/port-binding.inc
+++ b/api-ref/source/v2-ext/port-binding.inc
@@ -18,7 +18,6 @@ Show port details (port binding)
 Shows details for a port.
 
 Normal response codes: 200
-Error response codes:
 
 Request
 -------
@@ -41,7 +40,8 @@ Update port (port binding)
 Updates a port.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -69,7 +69,7 @@ Delete port (port binding)
 
 Deletes a port.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -86,7 +86,8 @@ List ports (port binding)
 Lists ports to which the tenant has access.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -104,7 +105,7 @@ Create port (port binding)
 
 Creates a port on a network.
 
-Error response codes:201,403,401,400,
+Error response codes: 201,403,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/qos-ext.inc b/api-ref/source/v2-ext/qos-ext.inc
index ed121007e..e8625b9be 100644
--- a/api-ref/source/v2-ext/qos-ext.inc
+++ b/api-ref/source/v2-ext/qos-ext.inc
@@ -18,7 +18,8 @@ Show bandwidth limit rule details
 Shows details for a bandwidth limit rule for a QoS policy.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -56,7 +57,8 @@ If the request is valid, the service returns the ``Accepted (202)``
 response code.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -100,7 +102,7 @@ Delete bandwidth limit rule
 
 Deletes a bandwidth limit rule for a QoS policy.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -120,7 +122,8 @@ Lists all QoS policies that are associated with your tenant account.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -167,7 +170,7 @@ Users with an administrative role can create policies on behalf of
 other tenants by specifying a tenant UUID that is different than
 their own.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -207,7 +210,8 @@ Show DSCP marking rule details
 Shows details for a DSCP marking rule for a QoS policy.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -243,7 +247,8 @@ If the request is valid, the service returns the ``Accepted (202)``
 response code.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -283,7 +288,7 @@ Delete DSCP marking rule
 
 Deletes a DSCP marking rule for a QoS policy.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -302,7 +307,8 @@ Lists all DSCP marking rules for a QoS policy.
 The list may be empty.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -334,7 +340,7 @@ Create DSCP marking rule
 
 Creates a DSCP marking rule for a QoS policy.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
@@ -369,7 +375,8 @@ Show QoS policy details
 Shows details for a QoS policy.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -413,7 +420,8 @@ If the request is valid, the service returns the ``Accepted (202)``
 response code.
 
 Normal response codes: 200
-Error response codes:400,401,413,503,500,
+
+Error response codes: 400,401,413,503,500
 
 Request
 -------
@@ -459,7 +467,7 @@ Delete QoS policy
 
 Deletes a QoS policy.
 
-Error response codes:204,400,401,413,503,500,
+Error response codes: 204,400,401,413,503,500
 
 Request
 -------
@@ -478,7 +486,8 @@ Lists all bandwidth limit rules for a QoS policy.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:500,401,503,
+
+Error response codes: 500,401,503
 
 Request
 -------
@@ -511,7 +520,7 @@ Create bandwidth limit rule
 
 Creates a bandwidth limit rule for a QoS policy.
 
-Error response codes:201,404,409,401,413,503,500,
+Error response codes: 201,404,409,401,413,503,500
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/quotas.inc b/api-ref/source/v2-ext/quotas.inc
index 9812782d1..f6e26286d 100644
--- a/api-ref/source/v2-ext/quotas.inc
+++ b/api-ref/source/v2-ext/quotas.inc
@@ -21,7 +21,8 @@ List quotas for tenants with non-default quota values
 Lists quotas for tenants who have non-default quota values.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -56,7 +57,8 @@ List quotas for a tenant
 Lists quotas for a tenant.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -95,7 +97,8 @@ Update quota for a tenant
 Updates quotas for a tenant. Use when non-default quotas are desired.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -149,7 +152,7 @@ Reset quota for a tenant
 
 Resets quotas to default values for a tenant.
 
-Error response codes:404,403,204,401,
+Error response codes: 404,403,204,401
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/security-groups.inc b/api-ref/source/v2-ext/security-groups.inc
index 5e39ff0a7..1ed36a1c5 100644
--- a/api-ref/source/v2-ext/security-groups.inc
+++ b/api-ref/source/v2-ext/security-groups.inc
@@ -22,7 +22,8 @@ The response contains the description, name, UUID, and security
 group rules that are associated with the security group and tenant.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -67,7 +68,8 @@ Update security group
 Updates a security group.
 
 Normal response codes: 200
-Error response codes:413,405,404,403,401,400,503,
+
+Error response codes: 413,405,404,403,401,400,503
 
 Request
 -------
@@ -115,7 +117,7 @@ associated with the security group.
 This operation does not require a request body. This operation does
 not return a response body.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -135,7 +137,8 @@ The list shows the UUID for and the rules that are associated with
 each security group.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -176,7 +179,7 @@ Creates an OpenStack Networking security group.
 This operation creates a security group with default security group
 rules for the IPv4 and IPv6 ether types.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/security_group_rules.inc b/api-ref/source/v2-ext/security_group_rules.inc
index aad0fd628..1ebba4e9f 100644
--- a/api-ref/source/v2-ext/security_group_rules.inc
+++ b/api-ref/source/v2-ext/security_group_rules.inc
@@ -22,7 +22,8 @@ The response body contains the following information about the
 security group rule:
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -57,7 +58,7 @@ Delete security group rule
 
 Deletes a rule from an OpenStack Networking security group.
 
-Error response codes:404,204,401,
+Error response codes: 404,204,401
 
 Request
 -------
@@ -72,7 +73,8 @@ Lists a summary of all OpenStack Networking security group rules that the tenant
 The list provides the UUID for each security group rule.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -107,7 +109,7 @@ Create security group rule
 
 Creates an OpenStack Networking security group rule.
 
-Error response codes:201,404,409,401,400,
+Error response codes: 201,404,409,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/subnetpools-ext.inc b/api-ref/source/v2-ext/subnetpools-ext.inc
index 18551439b..f2aee1e59 100644
--- a/api-ref/source/v2-ext/subnetpools-ext.inc
+++ b/api-ref/source/v2-ext/subnetpools-ext.inc
@@ -21,7 +21,8 @@ Shows information for a subnet pool.
 Use the ``fields`` query parameter to filter the results.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -64,7 +65,8 @@ Update subnet pool
 Updates a subnet pool.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,
+
+Error response codes: 404,403,401,400
 
 Request
 -------
@@ -124,7 +126,7 @@ Deletes a subnet pool.
 The operation fails if any subnets allocated from the subnet pool
 are still in use.
 
-Error response codes:404,204,401,
+Error response codes: 404,204,401
 
 Request
 -------
@@ -145,7 +147,8 @@ the tenant submitting the request, unless the request is submitted
 by a user with administrative rights.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -183,7 +186,7 @@ Create subnet pool
 
 Creates a subnet pool.
 
-Error response codes:201,404,403,401,400,
+Error response codes: 201,404,403,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/tag-ext.inc b/api-ref/source/v2-ext/tag-ext.inc
index 8f97bacb9..992e632eb 100644
--- a/api-ref/source/v2-ext/tag-ext.inc
+++ b/api-ref/source/v2-ext/tag-ext.inc
@@ -19,7 +19,8 @@ Replace all tags
 Replaces all tags on the resource.
 
 Normal response codes: 200
-Error response codes:404,401,400,503,500,
+
+Error response codes: 404,401,400,503,500
 
 Request
 -------
@@ -56,7 +57,7 @@ Remove all tags
 
 Removes all tags on the resource.
 
-Error response codes:500,404,204,401,503,
+Error response codes: 500,404,204,401,503
 
 Request
 -------
@@ -73,7 +74,7 @@ Confirm a tag
 
 Confirms a given tag is set on the resource.
 
-Error response codes:500,404,204,401,503,
+Error response codes: 500,404,204,401,503
 
 Request
 -------
@@ -91,7 +92,7 @@ Add a tag
 
 Adds a tag on the resource.
 
-Error response codes:201,404,500,401,503,
+Error response codes: 201,404,500,401,503
 
 Request
 -------
@@ -109,7 +110,7 @@ Remove a tag
 
 Removes a tag on the resource.
 
-Error response codes:500,404,204,401,503,
+Error response codes: 500,404,204,401,503
 
 Request
 -------
diff --git a/api-ref/source/v2-ext/vpnaas.inc b/api-ref/source/v2-ext/vpnaas.inc
index 5ab4511d1..8ac588727 100644
--- a/api-ref/source/v2-ext/vpnaas.inc
+++ b/api-ref/source/v2-ext/vpnaas.inc
@@ -56,7 +56,7 @@ The IKE policy is used for phases one and two negotiation of the
 VPN connection. You can specify both the authentication and
 encryption algorithms for connections.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -110,7 +110,8 @@ List IKE policies
 Lists IKE policies.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -147,7 +148,7 @@ Create IPSec connection
 
 Creates a site-to-site IPSec connection for a service.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -222,7 +223,8 @@ List IPSec connections
 Lists all IPSec connections.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -270,7 +272,8 @@ Show IPSec connection
 Shows details for an IPSec connection.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -323,7 +326,8 @@ Update IPSec connection
 Updates connection settings for an IPSec connection.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -397,7 +401,7 @@ Remove IPSec connection
 
 Removes an IPSec connection.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -416,7 +420,7 @@ Creates a VPN endpoint group.
 The endpoint group contains one or more endpoints of a specific
 type that you can use to create a VPN connections.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -455,7 +459,8 @@ List VPN endpoint groups
 Lists VPN endpoint groups.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -488,7 +493,8 @@ Lists all VPN services.
 The list might be empty.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
@@ -526,7 +532,7 @@ Creates a VPN service.
 The service is associated with a router. After you create the
 service, it can contain multiple VPN connections.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -576,7 +582,8 @@ object does not belong to the tenant account for the user, the
 operation returns the ``Forbidden (403)`` response code.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -619,7 +626,8 @@ Updates the attributes of a VPN service. You cannot update a
 service with a ``PENDING_*`` status.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -670,7 +678,7 @@ Removes a VPN service.
 
 If the service has connections, the request is rejected.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -687,7 +695,8 @@ Show IKE policy details
 Shows details for an IKE policy.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -730,7 +739,8 @@ Update IKE policy
 Updates policy settings in an IKE policy.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -789,7 +799,7 @@ Remove IKE policy
 
 Removes an IKE policy.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -806,7 +816,8 @@ Show IPSec policy
 Shows details for an IPSec policy.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -849,7 +860,8 @@ Update IPSec policy
 Updates policy settings in an IPSec policy.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -908,7 +920,7 @@ Remove IPSec policy
 
 Removes an IPSec policy.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -925,7 +937,8 @@ Show VPN endpoint group
 Shows details for a VPN endpoint group.
 
 Normal response codes: 200
-Error response codes:404,403,401,
+
+Error response codes: 404,403,401
 
 Request
 -------
@@ -960,7 +973,8 @@ Update VPN endpoint group
 Updates settings for a VPN endpoint group.
 
 Normal response codes: 200
-Error response codes:404,401,400,
+
+Error response codes: 404,401,400
 
 Request
 -------
@@ -1002,7 +1016,7 @@ Remove VPN endpoint group
 
 Removes a VPN endpoint group.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -1022,7 +1036,7 @@ The IPsec policy specifies the authentication and encryption
 algorithms and encapsulation mode to use for the established VPN
 connection.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -1076,7 +1090,8 @@ List IPSec policies
 Lists all IPSec policies.
 
 Normal response codes: 200
-Error response codes:403,401,
+
+Error response codes: 403,401
 
 Request
 -------
diff --git a/api-ref/source/v2/networks.inc b/api-ref/source/v2/networks.inc
index 71c0ed843..b86c5ab9b 100644
--- a/api-ref/source/v2/networks.inc
+++ b/api-ref/source/v2/networks.inc
@@ -29,7 +29,8 @@ information, see `Networks multiple provider extension (networks)
 networking-v2-ext.html#showProviderNetwork>`_.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -73,7 +74,8 @@ Update network
 Updates a network.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,
+
+Error response codes: 404,403,401,400
 
 Request
 -------
@@ -126,7 +128,7 @@ Delete network
 
 Deletes a network and its associated resources.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
@@ -154,7 +156,8 @@ specs/specs/mitaka/add-tags-to-core-resources.html#rest-api-
 impact>`__.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -195,7 +198,7 @@ A request body is optional. An administrative user can specify
 another tenant UUID, which is the tenant who owns the network, in
 the request body.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
@@ -237,7 +240,7 @@ In the request body, specify a list of networks.
 The bulk create operation is always atomic. Either all or no
 networks in the request body are created.
 
-Error response codes:201,401,400,
+Error response codes: 201,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2/ports.inc b/api-ref/source/v2/ports.inc
index f002aa469..05952890b 100644
--- a/api-ref/source/v2/ports.inc
+++ b/api-ref/source/v2/ports.inc
@@ -18,7 +18,8 @@ Show port details
 Shows details for a port.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -85,7 +86,8 @@ valid, the operation fails and the existing security groups are not
 removed from the port.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,409,
+
+Error response codes: 404,403,401,400,409
 
 Request
 -------
@@ -158,7 +160,7 @@ Deletes a port.
 Any IP addresses that are associated with the port are returned to
 the respective subnets allocation pools.
 
-Error response codes:404,403,204,401,
+Error response codes: 404,403,204,401
 
 Request
 -------
@@ -183,7 +185,8 @@ see `Filtering and Column Selection <https://wiki.openstack.org/wik
 i/Neutron/APIv2-specification#Filtering_and_Column_Selection>`_.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -231,7 +234,7 @@ Creates a port on a network.
 To define the network in which to create the port, specify the
 ``network_id`` attribute in the request body.
 
-Error response codes:201,404,403,401,400,503,
+Error response codes: 201,404,403,401,400,503
 
 Request
 -------
@@ -296,7 +299,7 @@ Creates multiple ports in a single request. Specify a list of ports in the reque
 
 Guarantees the atomic completion of the bulk operation.
 
-Error response codes:201,404,403,401,400,503,409,
+Error response codes: 201,404,403,401,400,503,409
 
 Request
 -------
diff --git a/api-ref/source/v2/service-type.inc b/api-ref/source/v2/service-type.inc
index 2255fe8db..7fea9e9c2 100644
--- a/api-ref/source/v2/service-type.inc
+++ b/api-ref/source/v2/service-type.inc
@@ -18,7 +18,8 @@ List service providers
 Lists service providers and their associated service types.
 
 Normal response codes: 200
-Error response codes:404,409,401,400,
+
+Error response codes: 404,409,401,400
 
 Request
 -------
diff --git a/api-ref/source/v2/subnets.inc b/api-ref/source/v2/subnets.inc
index ccff6221b..8bd8185e6 100644
--- a/api-ref/source/v2/subnets.inc
+++ b/api-ref/source/v2/subnets.inc
@@ -25,7 +25,8 @@ are returned by using the fields query parameter. You can filter
 results by using query string parameters.
 
 Normal response codes: 200
-Error response codes:401,
+
+Error response codes: 401
 
 Request
 -------
@@ -71,7 +72,7 @@ to create subnets that support IPv6 configurations, such as
 stateless address autoconfiguration (SLAAC), DHCPv6 stateful, and
 DHCPv6 stateless configurations.
 
-Error response codes:201,404,403,401,400,409,
+Error response codes: 201,404,403,401,400,409
 
 Request
 -------
@@ -94,7 +95,7 @@ Creates multiple subnets in a single request. Specify a list of subnets in the r
 The bulk create operation is always atomic. Either all or no
 subnets in the request body are created.
 
-Error response codes:201,404,403,401,400,409,
+Error response codes: 201,404,403,401,400,409
 
 Request
 -------
@@ -117,7 +118,8 @@ Shows details for a subnet.
 Use the fields query parameter to filter the results.
 
 Normal response codes: 200
-Error response codes:404,401,
+
+Error response codes: 404,401
 
 Request
 -------
@@ -144,7 +146,8 @@ cannot be updated. Attempting to update these attributes results in
 a ``400 Bad Request`` error.
 
 Normal response codes: 200
-Error response codes:404,403,401,400,
+
+Error response codes: 404,403,401,400
 
 Request
 -------
@@ -174,7 +177,7 @@ Deletes a subnet.
 
 The operation fails if subnet IP addresses are still allocated.
 
-Error response codes:409,404,204,401,
+Error response codes: 409,404,204,401
 
 Request
 -------
diff --git a/api-ref/source/v2/versions-networks-v2.inc b/api-ref/source/v2/versions-networks-v2.inc
index 38db18d0f..f4b275319 100644
--- a/api-ref/source/v2/versions-networks-v2.inc
+++ b/api-ref/source/v2/versions-networks-v2.inc
@@ -18,7 +18,8 @@ Show API v2 details
 Shows details for Networking API v2.0.
 
 Normal response codes: 200
-Error response codes:203,
+
+Error response codes: 203
 
 Request
 -------
@@ -46,7 +47,8 @@ List API versions
 Lists information about all Networking API versions.
 
 Normal response codes: 200
-Error response codes:300,
+
+Error response codes: 300
 
 Request
 -------