diff --git a/etc/neutron.conf b/etc/neutron.conf
index 83a6dbe23d..a7a83290c7 100644
--- a/etc/neutron.conf
+++ b/etc/neutron.conf
@@ -271,28 +271,37 @@ notification_driver = neutron.openstack.common.notifier.rpc_notifier
 # ======== end of WSGI parameters related to the API server ==========
 
 [quotas]
-# resource name(s) that are supported in quota features
+# Resource name(s) that are supported in quota features
 # quota_items = network,subnet,port
 
-# default number of resource allowed per tenant, minus for unlimited
+# Default number of resource allowed per tenant. A negative value means
+# unlimited.
 # default_quota = -1
 
-# number of networks allowed per tenant, and minus means unlimited
+# Number of networks allowed per tenant. A negative value means unlimited.
 # quota_network = 10
 
-# number of subnets allowed per tenant, and minus means unlimited
+# Number of subnets allowed per tenant. A negative value means unlimited.
 # quota_subnet = 10
 
-# number of ports allowed per tenant, and minus means unlimited
+# Number of ports allowed per tenant. A negative value means unlimited.
 # quota_port = 50
 
-# number of security groups allowed per tenant, and minus means unlimited
+# Number of security groups allowed per tenant. A negative value means
+# unlimited.
 # quota_security_group = 10
 
-# number of security group rules allowed per tenant, and minus means unlimited
+# Number of security group rules allowed per tenant. A negative value means
+# unlimited.
 # quota_security_group_rule = 100
 
-# default driver to use for quota checks
+# Number of routers allowed per tenant. A negative value means unlimited.
+# quota_router = 10
+
+# Number of floating IPs allowed per tenant. A negative value means unlimited.
+# quota_floatingip = 50
+
+# Default driver to use for quota checks
 # quota_driver = neutron.db.quota_db.DbQuotaDriver
 
 [agent]
diff --git a/neutron/extensions/firewall.py b/neutron/extensions/firewall.py
index d6e43a5a15..e713e2f7b9 100644
--- a/neutron/extensions/firewall.py
+++ b/neutron/extensions/firewall.py
@@ -283,16 +283,16 @@ RESOURCE_ATTRIBUTE_MAP = {
 firewall_quota_opts = [
     cfg.IntOpt('quota_firewall',
                default=1,
-               help=_('Number of firewalls allowed per tenant, -1 for '
-                      'unlimited')),
+               help=_('Number of firewalls allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_firewall_policy',
                default=1,
-               help=_('Number of firewall policies allowed per tenant, -1 '
-                      'for unlimited')),
+               help=_('Number of firewall policies allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_firewall_rule',
                default=-1,
-               help=_('Number of firewall rules allowed per tenant, -1 '
-                      'for unlimited')),
+               help=_('Number of firewall rules allowed per tenant. '
+                      'A negative value means unlimited.')),
 ]
 cfg.CONF.register_opts(firewall_quota_opts, 'QUOTAS')
 
diff --git a/neutron/extensions/l3.py b/neutron/extensions/l3.py
index 22b9358ce8..4e60222a44 100644
--- a/neutron/extensions/l3.py
+++ b/neutron/extensions/l3.py
@@ -139,12 +139,12 @@ RESOURCE_ATTRIBUTE_MAP = {
 l3_quota_opts = [
     cfg.IntOpt('quota_router',
                default=10,
-               help=_('Number of routers allowed per tenant, -1 for '
-                      'unlimited')),
+               help=_('Number of routers allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_floatingip',
                default=50,
-               help=_('Number of floating IPs allowed per tenant, '
-                      '-1 for unlimited')),
+               help=_('Number of floating IPs allowed per tenant. '
+                      'A negative value means unlimited.')),
 ]
 cfg.CONF.register_opts(l3_quota_opts, 'QUOTAS')
 
diff --git a/neutron/extensions/securitygroup.py b/neutron/extensions/securitygroup.py
index 3fcf15a78f..ad2960facd 100644
--- a/neutron/extensions/securitygroup.py
+++ b/neutron/extensions/securitygroup.py
@@ -226,12 +226,12 @@ EXTENDED_ATTRIBUTES_2_0 = {
 security_group_quota_opts = [
     cfg.IntOpt('quota_security_group',
                default=10,
-               help=_('Number of security groups allowed per tenant,'
-                      '-1 for unlimited')),
+               help=_('Number of security groups allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_security_group_rule',
                default=100,
-               help=_('Number of security rules allowed per tenant, '
-                      '-1 for unlimited')),
+               help=_('Number of security rules allowed per tenant. '
+                      'A negative value means unlimited.')),
 ]
 cfg.CONF.register_opts(security_group_quota_opts, 'QUOTAS')
 
diff --git a/neutron/quota.py b/neutron/quota.py
index 411107864d..cee12cf357 100644
--- a/neutron/quota.py
+++ b/neutron/quota.py
@@ -38,20 +38,20 @@ quota_opts = [
                        'features')),
     cfg.IntOpt('default_quota',
                default=-1,
-               help=_('Default number of resource allowed per tenant, '
-                      'minus for unlimited')),
+               help=_('Default number of resource allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_network',
                default=10,
-               help=_('Number of networks allowed per tenant,'
-                      'minus for unlimited')),
+               help=_('Number of networks allowed per tenant.'
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_subnet',
                default=10,
                help=_('Number of subnets allowed per tenant, '
-                      'minus for unlimited')),
+                      'A negative value means unlimited.')),
     cfg.IntOpt('quota_port',
                default=50,
-               help=_('Number of ports allowed per tenant, minus for '
-                      'unlimited')),
+               help=_('Number of ports allowed per tenant. '
+                      'A negative value means unlimited.')),
     cfg.StrOpt('quota_driver',
                default=QUOTA_DB_DRIVER,
                help=_('Default driver to use for quota checks')),