Update readme for changes to Azure portal

Author: michael-hawker

README.md

@@ -18,7 +18,7 @@ If you need similar controls for the Web, please use the [Microsoft Graph Toolki
 
 Before using controls that access [Microsoft Graph](https://graph.microsoft.com), you will need to [register your application](https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-register-app) to get a **ClientID**.
 
-> After finishing the initial registration page, you will also need to add an additional redirect URI. Clcik on "Add a Redirect URI" and check the `https://login.microsoftonline.com/common/oauth2/nativeclient` checkbox on that page. Then click "Save".
+> After finishing the initial registration page, you will also need to add an additional redirect URI. Click on "Add a Redirect URI", then "Add a platform", and then on "Mobile and desktop applications". Check the `https://login.microsoftonline.com/common/oauth2/nativeclient` checkbox on that page. Then click "Configure".
 
 ### UWP Quick Start