Update howto-authorize-from-application.md

Author: vicancy

articles/azure-web-pubsub/howto-authorize-from-application.md

@@ -78,7 +78,7 @@ This sample shows how to assign a `Web PubSub Service Owner` role to a service p
 
 1. Click **Add > Add role assignment**.
 
-1. On the **Roles** tab, select `Web PubSub App Server`.
+1. On the **Roles** tab, select `Web PubSub Service Owner`.
 
 1. Click **Next**.
 
@@ -120,4 +120,4 @@ We officially support 4 programming languages:
 
 See the following related articles:
 - [Overview of Azure AD for Web PubSub](concept-azure-ad-authorization.md)
-- [Authorize request to Web PubSub resources with Azure AD from managed identities](howto-authorize-from-managed-identity.md)
+- [Authorize request to Web PubSub resources with Azure AD from managed identities](howto-authorize-from-managed-identity.md)