Fixed duplicate title issue

Author: OwenRichards1

articles/active-directory/develop/desktop-quickstart-portal-windows-desktop.md

@@ -14,7 +14,7 @@ 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.
 ---
 
-# Quickstart: Acquire a token and call Microsoft Graph API from a Windows desktop app
+# Quickstart: Acquire a token and call Microsoft Graph API from a Windows desktop application
 
 > [!div renderon="docs"]
 > Welcome! This probably isn't the page you were expecting. While we work on a fix, this link should take you to the right article: