Removed preview text, updated YAML

Author: rwike77

2. Web API now calls Microsoft Graph/README.md

@@ -6,6 +6,15 @@ level: 400
 client: .NET Desktop (WPF)
 service: ASP.NET Core Web API, Microsoft Graph
 endpoint: Microsoft identity platform
+page_type: sample
+languages:
+  - csharp  
+products:
+  - azure
+  - azure-active-directory  
+  - aspnet-core
+  - office-ms-graph
+description: "A tutorial sample that shows how to use MSAL.NET to authenticate users. A WPF desktop application calls a web API which then calls Microsoft Graph."
 ---
 # ASP.NET Core Web API calling Microsoft Graph, itself called from a WPF application using Microsoft identity platform
 
@@ -479,16 +488,16 @@ For more information, visit the following links:
 
 - To lean more about the application registration, visit:
 
-  - [Quickstart: Register an application with the Microsoft identity platform (Preview)](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-register-app)
-  - [Quickstart: Configure a client application to access web APIs (Preview)](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-configure-app-access-web-apis)
-  - [Quickstart: Quickstart: Configure an application to expose web APIs (Preview)](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-configure-app-expose-web-apis)
+  - [Quickstart: Register an application with the Microsoft identity platform](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-register-app)
+  - [Quickstart: Configure a client application to access web APIs](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-configure-app-access-web-apis)
+  - [Quickstart: Quickstart: Configure an application to expose web APIs](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-configure-app-expose-web-apis)
 
 - To learn more about the code, visit [Conceptual documentation for MSAL.NET](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/wiki#conceptual-documentation) and in particular:
   - [Acquiring tokens with authorization codes on web apps](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/wiki/Acquiring-tokens-with-authorization-codes-on-web-apps)
   - [Customizing Token cache serialization](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/wiki/token-cache-serialization)
 
-- Articles about the Azure AD V2 endpoint [http://aka.ms/aaddevv2](http://aka.ms/aaddevv2), with a focus on:
-  - [Azure Active Directory v2.0 and OAuth 2.0 On-Behalf-Of flow](https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-v2-protocols-oauth-on-behalf-of)
+- Articles about the Microsoft identity platform endpoint [http://aka.ms/aaddevv2](http://aka.ms/aaddevv2), with a focus on:
+  - [identity platform and OAuth 2.0 On-Behalf-Of flow](https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-v2-protocols-oauth-on-behalf-of)
 
 - [Introduction to Identity on ASP.NET Core](https://docs.microsoft.com/en-us/aspnet/core/security/authentication/identity?view=aspnetcore-2.1&tabs=visual-studio%2Caspnetcore2x)
   - [AuthenticationBuilder](https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.authentication.authenticationbuilder?view=aspnetcore-2.0)