diff --git a/doc/install-guide/section_neutron-concepts.xml b/doc/install-guide/section_neutron-concepts.xml
index 01f1f9e753..828f094b1e 100644
--- a/doc/install-guide/section_neutron-concepts.xml
+++ b/doc/install-guide/section_neutron-concepts.xml
@@ -22,13 +22,13 @@
     many interfaces connected to subnets. Subnets can access machines
     on other subnets connected to the same router.</para>
   <para>Any given Networking set up has at least one external network.
-    This network, unlike the other networks, is not merely a virtually
-    defined network. Instead, it represents the view into a slice of
-    the external network that is accessible outside the OpenStack
-    installation. IP addresses on the Networking external network are
+    Unlike the other networks, the external network is not merely a
+    virtually defined network. Instead, it represents a view into a
+    slice of the physical, external network accessible outside the
+    OpenStack installation. IP addresses on the external network are
     accessible by anybody physically on the outside network. Because
-    this network merely represents a slice of the outside network,
-    DHCP is disabled on this network.</para>
+    the external network merely represents a view into the outside
+    network, DHCP is disabled on this network.</para>
   <para>In addition to external networks, any Networking set up has
     one or more internal networks. These software-defined networks
     connect directly to the VMs. Only the VMs on any given internal
@@ -54,10 +54,10 @@
     security groups to block or unblock ports, port ranges, or traffic
     types for that VM.</para>
   <para>Each plug-in that Networking uses has its own concepts. While
-    not vital to operating Networking, understanding these concepts
-    can help you set up Networking. All Networking installations use a
-    core plug-in and a security group plug-in (or just the No-Op
-    security group plug-in). Additionally, Firewall-as-a-Service
-    (FWaaS) and Load-Balancer-as-a-Service (LBaaS) plug-ins are
-    available.</para>
+    not vital to operating the VNI and OpenStack environment,
+    understanding these concepts can help you set up Networking.
+    All Networking installations use a core plug-in and a security group
+    plug-in (or just the No-Op security group plug-in). Additionally,
+    Firewall-as-a-Service (FWaaS) and Load-Balancer-as-a-Service (LBaaS)
+    plug-ins are available.</para>
 </section>