OCPBUGS-10631-17: Updated the customized br-ex bridge section

Author: dfitzmau

modules/creating-manifest-file-customized-br-ex-bridge.adoc

@@ -21,14 +21,14 @@ endif::[]
 == Optional: Creating a manifest object that includes a customized `br-ex` bridge
 
 ifndef::postinstall-bare-metal-ipi,postinstall-bare-metal-upi[]
-As an alternative to using the `configure-ovs.sh` shell script to set a customized `br-ex` bridge on a bare-metal platform, you can create a `MachineConfig` object that includes a customized `br-ex` bridge network configuration.
+As an alternative to using the `configure-ovs.sh` shell script to set a `br-ex` bridge on a bare-metal platform, you can create a `MachineConfig` object that includes an NMState configuration file. The NMState configuration file creates a customized `br-ex` bridge network configuration on each node in your cluster.
 
 :FeatureName: Creating a `MachineConfig` object that includes a customized `br-ex` bridge
 include::snippets/technology-preview.adoc[]
 endif::postinstall-bare-metal-ipi,postinstall-bare-metal-upi[]
 
 ifdef::postinstall-bare-metal-ipi,postinstall-bare-metal-upi[]
-As an alternative to using the `configure-ovs.sh` shell script to set a customized `br-ex` bridge on a bare-metal platform, you can create a `NodeNetworkConfigurationPolicy` custom resource (CR) that includes a customized `br-ex` bridge network configuration.
+As an alternative to using the `configure-ovs.sh` shell script to set a `br-ex` bridge on a bare-metal platform, you can create a `NodeNetworkConfigurationPolicy` custom resource (CR) that includes an NMState configuration file. The NMState configuration file creates a customized `br-ex` bridge network configuration on each node in your cluster.
 
 :FeatureName: Creating a `NodeNetworkConfigurationPolicy` CR that includes a customized `br-ex` bridge
 include::snippets/technology-preview.adoc[]