Merge pull request #210699 from Dickson-Mwendia/wpf-desktop-app-quickstart

[msid][github-issue]Update WPF desktop app quickstart with auth flow information

Author: prmerger-automator[bot]

articles/active-directory/develop/includes/desktop-app/quickstart-windows-desktop.md

@@ -8,14 +8,14 @@ ms.service: active-directory
 ms.subservice: develop
 ms.topic: include
 ms.workload: identity
-ms.date: 05/19/2022
+ms.date: 09/09/2022
 ms.author: jmprieur
 ms.custom: aaddev, identityplatformtop40, mode-api
 #Customer intent: As an application developer, I want to learn how my Windows Presentation Foundation (WPF) application can get an access token and call an API that's protected by the Microsoft identity platform.
 ---
 
 
-In this quickstart, you download and run a code sample that demonstrates how a Windows Presentation Foundation (WPF) application can sign in users and get an access token to call the Microsoft Graph API. 
+In this quickstart, you download and run a code sample that demonstrates how a Windows Presentation Foundation (WPF) application can sign in users and get an access token to call the Microsoft Graph API. The desktop app you build uses the authorization code flow paired with the Proof Key for Code Exchange (PKCE) standard. 
 
 See [How the sample works](#how-the-sample-works) for an illustration.