screen updates

Author: dlepow

articles/container-registry/container-registry-get-started-portal.md

@@ -39,7 +39,7 @@ Take note of the registry name and the value of the **Login server**. You use th
 
 ## Log in to registry
 
-Before pushing and pulling container images, you must log in to the registry instance. [Sign into the Azure CLI][get-started-with-azure-cli] on your local machine, then run the [az acr login][az-acr-login] command. (Specify only the registry name when logging in with the Azure CLI. Don't include the 'azurecr.io' suffix.)
+Before pushing and pulling container images, you must log in to the registry instance. [Sign into the Azure CLI][get-started-with-azure-cli] on your local machine, then run the [az acr login][az-acr-login] command. (Specify only the registry name when logging in with the Azure CLI. Don't include the 'azurecr.io' domain suffix.)
 
 ```azurecli
 az acr login --name <registry-name>