Update create-event-subscription-az-cli.md

minor edits

Author: vac0224

articles/communication-services/quickstarts/events/includes/create-event-subscription-az-cli.md

@@ -19,7 +19,7 @@ ms.author: pgrandhi
 
 ## Create event subscription
 
-To create an event subscriptions for Azure Communication Services resource, [sign in to Azure CLI](/cli/azure/authenticate-azure-cli). You can sign in running the ```az login``` command from the terminal, then provide your credentials.
+To create event subscriptions for Azure Communication Services resource, [sign in to Azure CLI](/cli/azure/authenticate-azure-cli). You can sign in running the ```az login``` command from the terminal, then provide your credentials.
 
 To create an event subscription using [the Azure CLI](/cli/azure/get-started-with-azure-cli), use the [`az eventgrid event-subscription create`](/cli/azure/eventgrid/event-subscription#az-eventgrid-event-subscription-create) command: