Merge branch 'pehecke-wstrust-deprecation' of https://github.com/MicrosoftDocs/powerapps-docs-pr into pehecke-wstrust-deprecation

Author: phecke

powerapps-docs/developer/common-data-service/TOC.yml

@@ -395,6 +395,8 @@
       href: authenticate-dot-net-framework.md
     - name: Use OAuth
       href: authenticate-oauth.md
+    - name: Office365 authentication with WS-Trust
+      href: authenticate-office365-deprecation.md
   - name: "Tutorial: Register an app with Azure Active Directory"
     href: walkthrough-register-app-azure-active-directory.md      
   - name: Build web applications using Server-to-Server (S2S) authentication

powerapps-docs/developer/common-data-service/authenticate-office365-deprecation.md

@@ -19,8 +19,10 @@ search.app:
 # Use of Office365 authentication with the WS-Trust security protocol
 
 Use of the WS-Trust authentication security protocol when connecting to Common
-Data Service in the Power Platform is no longer recommended and has been
-deprecated; see the [announcement](/power-platform/important-changes-coming#deprecation-of-office365-authentication-type-and-organizationserviceproxy-class-for-connecting-to-common-data-service). This change
+Data Service is no longer recommended and has been
+deprecated; see the [announcement](/power-platform/important-changes-coming#deprecation-of-office365-authentication-type-and-organizationserviceproxy-class-for-connecting-to-common-data-service). 
+
+This change
 impacts custom client applications that use “Office365” authentication and the
 [Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy](/dotnet/api/microsoft.xrm.sdk.client.organizationserviceproxy)
 or