diff --git a/doc/install-guide/section_neutron-per-tenant-routers-with-private-networks.xml b/doc/install-guide/section_neutron-per-tenant-routers-with-private-networks.xml
index e84527db1f..99b5353cf4 100644
--- a/doc/install-guide/section_neutron-per-tenant-routers-with-private-networks.xml
+++ b/doc/install-guide/section_neutron-per-tenant-routers-with-private-networks.xml
@@ -300,9 +300,9 @@ local_ip = 9.181.89.203</programlisting>
                     <step>
                         <para>Start the Networking L2 agent</para>
                         <para>The Networking Open vSwitch L2 agent can
-                            be a service of operating system. The
+                            be a service of the operating system. The
                             command to start depends on your operating
-                            systems. The following command runs the
+                            system. The following command runs the
                             service directly:</para>
                         <screen><prompt>#</prompt> <userinput>neutron-openvswitch-agent --config-file /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini \
   --config-file /etc/neutron/neutron.conf</userinput></screen>
@@ -385,7 +385,7 @@ use_namespaces=True</programlisting>
                     <step>
                         <para>Start the L3 agent</para>
                         <para>The Networking L3 agent can be a service
-                            of operating system. The command to start
+                            of the operating system. The command to start
                             the service depends on your operating
                             system. The following command starts the
                             agent directly:</para>
@@ -481,11 +481,11 @@ export OS_AUTH_URL=http://<replaceable>controller</replaceable>:5000/v2.0/</prog
                         this network through provider network.
                             <literal>router:external true</literal>
                         means that an external network is created
-                        where you can create floating IP and router
+                        where you can create the floating IP and router
                         gateway port.</emphasis></para>
             </step>
             <step>
-                <para>Add an IP on external network to br-ex.</para>
+                <para>Add an IP on the external network to br-ex.</para>
                 <para>Because br-ex is the external network bridge,
                     add an IP 30.0.0.100/24 to br-ex and ping the
                     floating IP of the VM from our network
@@ -680,7 +680,7 @@ rtt min/avg/max/mdev = 1.234/1.495/1.745/0.211 ms
 </computeroutput></screen>
             </step>
             <step>
-                <para>Ping floating IP of the TenantA's server:</para>
+                <para>Ping the floating IP of TenantA's server:</para>
                 <screen><prompt>$</prompt> <userinput>ping 30.0.0.2</userinput>
 <computeroutput>PING 30.0.0.2 (30.0.0.2) 56(84) bytes of data.
 64 bytes from 30.0.0.2: icmp_req=1 ttl=63 time=45.0 ms
@@ -758,7 +758,7 @@ rtt min/avg/max/mdev = 0.898/15.621/45.027/20.793 ms
                             provider:segmentation_id) 2 and 3. And
                             also note the network IDs and subnet IDs
                             because you use them to create VMs and
-                            router.</para>
+                            the router.</para>
                     </step>
                     <step>
                         <para>Create a server TenantC-VM1 for TenantC