OCPBUGS-4475:updating advanced nw config text

Author: brendan-daly-red-hat

modules/nw-modifying-operator-install-config.adoc

@@ -14,6 +14,9 @@ ifeval::["{context}" == "installing-vsphere-network-customizations"]
 :ignition-config:
 :vsphere:
 endif::[]
+ifeval::["{context}" == "installing-vsphere-installer-provisioned-network-customizations"]
+:vsphere-ipi:
+endif::[]
 ifeval::["{context}" == "installing-ibm-cloud-network-customizations"]
 :ibm-cloud:
 endif::[]
@@ -47,7 +50,7 @@ $ ./openshift-install create manifests --dir <installation_directory> <1>
 
 . Create a stub manifest file for the advanced network configuration that is named `cluster-network-03-config.yml` in the `<installation_directory>/manifests/` directory:
 +
-[source,terminal]
+[source,yaml]
 ----
 apiVersion: operator.openshift.io/v1
 kind: Network
@@ -78,8 +81,8 @@ spec:
 installation program consumes the `manifests/` directory when you create the
 Ignition config files.
 
-ifdef::vsphere[]
-. Remove the Kubernetes manifest files that define the control plane machines and compute machineSets:
+ifndef::vsphere-ipi[]
+. Remove the Kubernetes manifest files that define the control plane machines and compute `MachineSets`:
 +
 [source,terminal]
 ----
@@ -89,8 +92,8 @@ $ rm -f openshift/99_openshift-cluster-api_master-machines-*.yaml openshift/99_o
 Because you create and manage these resources yourself, you do not have
 to initialize them.
 +
-* You can preserve the MachineSet files to create compute machines by using the machine API, but you must update references to them to match your environment.
-endif::vsphere[]
+* You can preserve the `MachineSet` files to create compute machines by using the machine API, but you must update references to them to match your environment.
+endif::[]
 
 ifeval::["{context}" == "installing-bare-metal-network-customizations"]
 :!ignition-config:
@@ -99,6 +102,9 @@ ifeval::["{context}" == "installing-vsphere-network-customizations"]
 :!ignition-config:
 :!vsphere:
 endif::[]
+ifeval::["{context}" == "installing-vsphere-installer-provisioned-network-customizations"]
+:!vsphere-ipi:
+endif::[]
 ifeval::["{context}" == "installing-ibm-cloud-network-customizations"]
 :!ibm-cloud:
 endif::[]