Update quickstart branch url

Author: palatter

articles/communication-services/quickstarts/ui-library/includes/get-started-call/ios.md

@@ -120,7 +120,7 @@ You can build and run your app on iOS simulator by selecting **Product** > **Run
 
 ![Final look and feel of the quick start app](../../media/quick-start-calling-composite-running-ios.gif)
 
-## Sample application code can be found [here](https://github.com/Azure-Samples/communication-services-ios-quickstarts/tree/palatter/create-ui-library-quickstart)
+## Sample application code can be found [here](https://github.com/Azure-Samples/communication-services-ios-quickstarts/tree/ui-library-quickstart)
 
 ## Object Model