diff --git a/doc/install-guide/section_neutron-ovs-network-node.xml b/doc/install-guide/section_neutron-ovs-network-node.xml
index 1648170a4f..b6777bfb71 100644
--- a/doc/install-guide/section_neutron-ovs-network-node.xml
+++ b/doc/install-guide/section_neutron-ovs-network-node.xml
@@ -10,7 +10,7 @@
       <para>Before you start, set up a machine as a dedicated network
         node. Dedicated network nodes have a
         <replaceable>MGMT_INTERFACE</replaceable> NIC, a
-        <replaceable>DATA_INTERFACE</replaceable> NIC, and a
+        <replaceable>DATA_INTERFACE</replaceable> NIC, and an
         <replaceable>EXTERNAL_INTERFACE</replaceable> NIC.</para>
       <para>The management network handles communication among nodes.
         The data network handles communication coming to and from VMs.
@@ -19,16 +19,15 @@
         world.</para>
     </note>
     <warning os="rhel;centos">
-      <para>By default, the <literal>system-config-firewall</literal>
-        automated firewall configuration tool is in place on RHEL.
-        This graphical interface (and a curses-style interface with
-          <literal>-tui</literal> on the end of the name) enables you
-        to configure IP tables as a basic firewall. You should disable
-        it when you work with Networking unless you are familiar with
-        the underlying network technologies, as, by default, it blocks
-        various types of network traffic that are important to
-        Networking. To disable it, simply launch the program and clear
-        the <guilabel>Enabled</guilabel> check box.</para>
+      <para>By default, the <literal>system-config-firewall</literal> automated
+      firewall configuration tool is in place on RHEL. This graphical interface
+      (and a curses-style interface with <literal>-tui</literal> on the end of
+      the name) enables you to configure IP tables as a basic firewall. You
+      should disable it when you work with Networking unless you are familiar
+      with the underlying network technologies. By default, it blocks various
+      types of network traffic that are important to Networking. To disable it,
+      simply launch the program and clear the <guilabel>Enabled</guilabel> check
+      box.</para>
       <para>After you successfully set up OpenStack Networking, you
         can re-enable and configure the tool. However, during
         Networking set up, disable the tool to make it easier to debug
@@ -175,7 +174,7 @@ rabbit_password = <replaceable>RABBIT_PASS</replaceable></programlisting>
       </step>
     </procedure>
     <procedure>
-      <title>Install and configure Open vSwitch (OVS) plug-in</title>
+      <title>Install and configure the Open vSwitch (OVS) plug-in</title>
       <para>OpenStack Networking supports a variety of plug-ins. For
         simplicity, we chose to cover the most common plug-in, Open
         vSwitch, and configure it to use basic GRE tunnels for tenant