Update push-notifications.md

Author: chriswhilar

articles/communication-services/how-tos/calling-sdk/push-notifications.md

@@ -9,7 +9,7 @@ ms.subservice: calling
 ms.topic: how-to 
 ms.date: 08/10/2021
 ms.custom: template-how-to
-zone_pivot_groups: acs-plat-ios-android
+zone_pivot_groups: acs-plat-web-ios-android
 
 #Customer intent: As a developer, I want to enable push notifications with the acs sdks so that I can create a calling application that provides push notifications to its users.
 ---
@@ -25,6 +25,10 @@ Here, we'll learn how to enable push notifications for Azure Communication Servi
 - A user access token to enable the calling client. For more information, see [Create and manage access tokens](../../quickstarts/identity/access-tokens.md).
 - Optional: Complete the quickstart to [add voice calling to your application](../../quickstarts/voice-video-calling/getting-started-with-calling.md)
 
+::: zone pivot="platform-web"
+[!INCLUDE [Enable push notifications Web](./includes/push-notifications/push-notifications-web.md)]
+::: zone-end
+
 ::: zone pivot="platform-android"
 [!INCLUDE [Enable push notifications Android](./includes/push-notifications/push-notifications-android.md)]
 ::: zone-end