Merge pull request #180344 from vicancy/lianwei/hf3

Fix the wording AAD

Author: PRMerger16

articles/azure-web-pubsub/concept-service-internals.md

@@ -244,9 +244,9 @@ For now, we do not support [WebHook-Request-Rate](https://github.com/cloudevents
 #### Authentication between service and webhook
 - Anonymous mode
 - Simple Auth that `code` is provided through the configured Webhook URL.
-- AAD Auth. 
-   - Add a client secret in AAD's [App Registrations] and provide the [client secret] to Azure Web PubSub through portal/cli.
-   - Provide the [Identity](../app-service/overview-managed-identity.md?tabs=dotnet) to Azure Web PubSub through portal/cli
+- Use AAD Auth, check [here](howto-use-managed-identity.md) for details.
+   - Step1: Enable Identity for the Web PubSub service
+   - Step2: Select from existing AAD application that stands for your webhook web app
 
 <a name="connection_manager"></a>
 

articles/azure-web-pubsub/howto-develop-eventhandler.md

@@ -34,9 +34,9 @@ For now, we do not support [WebHook-Request-Rate](https://github.com/cloudevents
 
 - Anonymous mode
 - Simple Auth with `?code=<code>` is provided through the configured Webhook URL as query parameter.
-- AAD Auth. 
-   - Add a client secret in AAD's [App Registrations] and provide the [client secret] to Azure Web PubSub through portal/cli.
-   - Provide the [Identity](../app-service/overview-managed-identity.md?tabs=dotnet) to Azure Web PubSub through portal/cli
+- Use AAD Auth, check [here](howto-use-managed-identity.md) for details.
+   - Step1: Enable Identity for the Web PubSub service
+   - Step2: Select from existing AAD application that stands for your webhook web app
 
 ## Configure event handler