diff --git a/doc/source/admin/config-qos.rst b/doc/source/admin/config-qos.rst
index abb7fb13526..4952a7b4138 100644
--- a/doc/source/admin/config-qos.rst
+++ b/doc/source/admin/config-qos.rst
@@ -117,7 +117,7 @@ On the controller nodes:
 
    .. code-block:: none
 
-      service_plugins = router, qos
+      service_plugins = router,qos
 
 #. In ``/etc/neutron/plugins/ml2/ml2_conf.ini``, add ``qos`` to
    ``extension_drivers`` in the ``[ml2]`` section. For example:
@@ -125,7 +125,7 @@ On the controller nodes:
    .. code-block:: ini
 
       [ml2]
-      extension_drivers = port_security, qos
+      extension_drivers = port_security,qos
 
 #. Edit the configuration file for the agent you are using and set the
    ``extensions`` to include ``qos`` in the ``[agent]`` section of the
diff --git a/doc/source/admin/config-routed-networks.rst b/doc/source/admin/config-routed-networks.rst
index f378240f6ce..de0d90589f0 100644
--- a/doc/source/admin/config-routed-networks.rst
+++ b/doc/source/admin/config-routed-networks.rst
@@ -161,7 +161,7 @@ Controller node
 
       [DEFAULT]
       # ...
-      service_plugins = ..., segments
+      service_plugins = ...,segments
 
 #. Add a ``placement`` section to the ``neutron.conf`` file with authentication
    credentials for the Compute service placement API: