Updates cluster MTU change docs for correct output

modules/nw-cluster-mtu-change.adoc

@@ -344,9 +344,7 @@ $ oc get machineconfig <config_name> -o yaml | grep path:
 +
 where `<config_name>` is the name of the machine config from the `machineconfiguration.openshift.io/currentConfig` field.
 +
-If the machine config is successfully deployed, the previous output contains the `/etc/NetworkManager/system-connections/<connection_name>` file path.
-+
-The machine config must not contain the `ExecStart=/usr/local/bin/mtu-migration.sh` line.
+If the machine config is successfully deployed, the previous output contains the `/etc/NetworkManager/conf.d/<config_file>` file path and the `ExecStart=/usr/local/bin/mtu-migration.sh` line.
 endif::local-zone,wavelength-zone,post-aws-zones,outposts[]
 
 . To finalize the MTU migration, enter the following command for the OVN-Kubernetes network plugin: