revised wording

Author: flang-msft

articles/azure-cache-for-redis/cache-how-to-upgrade.md

@@ -64,7 +64,15 @@ Before you upgrade, check the Redis version of a cache by selecting **Properties
 
 ## Upgrade using Azure CLI
 
-To upgrade a cache from 4 to 6 using the Azure CLI, use the following command. If private endpoint is enabled on the cache, use the command that is appropriate based on whether `PublicNetworkAccess` is enabled or disabled:
+To upgrade a cache from 4 to 6 using the Azure CLI that is not using Private Endpoint, use the following command. 
+
+```azurecli-interactive
+az redis update --name cacheName --resource-group resourceGroupName --set redisVersion=6
+```
+
+### Private Endpoint
+
+If Private Endpoint is enabled on the cache, use the command that is appropriate based on whether `PublicNetworkAccess` is enabled or disabled:
 
 If `PublicNetworkAccess` is enabled: