Merge pull request #1827 from vegar/patch-1

Update mobile-services-html-get-started-users.md (authenticating with active directory)

articles/mobile-services-html-get-started-users.md

@@ -139,7 +139,7 @@ Next, you will update the app to allow authentication before requesting resource
     This creates a set of functions to handle the authentication process. The user is authenticated by using a Facebook login.
 
     <div class="dev-callout"><b>Note</b>
-	<p>If you are using an identity provider other than Facebook, change the value passed to the <strong>login</strong> method above to one of the following: <em>microsoftaccount</em>, <em>facebook</em>, <em>twitter</em>, <em>google</em>, or <em>windowsazureactivedirectory</em>.</p>
+	<p>If you are using an identity provider other than Facebook, change the value passed to the <strong>login</strong> method above to one of the following: <em>microsoftaccount</em>, <em>facebook</em>, <em>twitter</em>, <em>google</em>, or <em>aad</em>.</p>
     </div>
 
 9. Go back to the browser where your app is running, and refresh the page.