bug 1613765 updating openshift_hostname information

install/prerequisites.adoc

@@ -397,9 +397,8 @@ the router will be deployed:
 *.cloudapps.example.com. 300 IN  A 192.168.133.2
 ----
 
-In almost all cases, when referencing VMs you must use host names, and the host
-names that you use must match the output of the `hostname -f` command on each
-node.
+When referencing VMs, use the host names that the output of the `hostname -f`
+command on each node.
 
 [WARNING]
 ====
@@ -632,9 +631,17 @@ connections, and is only required if you have clustered etcd.
 *Notes*
 
 * In the above examples, port *4789* is used for User Datagram Protocol (UDP).
-* When deployments are using the SDN, the pod network is accessed via a service proxy, unless it is accessing the registry from the same node the registry is deployed on.
-* {product-title} internal DNS cannot be received over SDN. For non-cloud deployments, this will default to the IP address associated with the default route on the master host. For cloud deployments, it will default to the IP address associated with the first internal interface as defined by the cloud metadata.
-* The master host uses port *10250* to reach the nodes and does not go over SDN. It depends on the target host of the deployment and uses the computed value of `*openshift_public_hostname*`.
+* When deployments are using the SDN, the pod network is accessed via a service 
+proxy, unless it is accessing the registry from the same node the registry is 
+deployed on.
+* {product-title} internal DNS cannot be received over SDN. For non-cloud 
+deployments, this will default to the IP address associated with the default
+route on the master host. For cloud deployments, it will default to the IP
+address associated with the first internal interface as defined by the cloud
+metadata.
+* The master host uses port *10250* to reach the nodes and does not go over SDN.
+It depends on the target host of the deployment and uses the computed value of
+`*openshift_public_hostname*`.
 * Port *1936* can still be inaccessible due to your iptables rules. Use the following to configure iptables to open port *1936*:
 +
 ----
@@ -725,7 +732,7 @@ topic discusses the available Ansible variables in greater detail.
 |Variable |Usage
 
 |`*hostname*`
-a| - Resolves to the internal IP from the instances themselves.
+a| - Resolves to the internal IP address from the instances themselves.
 
 |`*ip*`
 a| - The internal IP address of the instance.

release_notes/ocp_3_10_release_notes.adoc

@@ -1036,7 +1036,7 @@ previously be set via `openshift_dns_ip`.
 
 [discrete]
 [[ocp-310-deprecated-openshift_hostname]]
-=== Deprecated openshift_hostname Variable
+=== Removed openshift_hostname Variable
 
 The `openshift_hostname` variable is now removed.