edit from Puneet

Author: johnmarco

articles/openshift/tutorial-create-cluster.md

@@ -95,7 +95,7 @@ A Red Hat pull secret enables your cluster to access Red Hat container registrie
 When running the `az aro create` command, you can specify a custom domain for your cluster by using the `--domain foo.example.com` parameter.
 
 > [!NOTE]
-> Although adding a domain name is optional when creating a cluster through Azure CLI, a domain name is needed when adding a cluster through the portal. See [Quickstart: Deploy an Azure Red Hat OpenShift cluster using the Azure portal](quickstart-portal.md#create-an-azure-red-hat-openshift-cluster) for more information. 
+> Although adding a domain name is optional when creating a cluster through Azure CLI, a domain name (or a prefix used as part of the auto-generated DNS name for OpenShift console and API servers) is needed when adding a cluster through the portal. See [Quickstart: Deploy an Azure Red Hat OpenShift cluster using the Azure portal](quickstart-portal.md#create-an-azure-red-hat-openshift-cluster) for more information. 
 
 If you provide a custom domain for your cluster note the following points: