Update connector-sharepoint-online-list.md

Should App Domain and Redirect URL point to a domain under the implementer's control? Showing contoso.com in the example should help clarify the type of data required. 
Using localhost.com in the example is confusing and potentially irresponsible, as that is a valid domain seemingly not controlled by Microsoft.
https://www.whois.com/whois/localhost.com

Author: bradms98

articles/data-factory/connector-sharepoint-online-list.md

@@ -49,8 +49,8 @@ The SharePoint List Online connector uses service principal authentication to co
     1. Open SharePoint Online site link e.g. `https://[your_site_url]/_layouts/15/appinv.aspx` (replace the site URL).
     2. Search the application ID you registered, fill the empty fields, and click "Create".
 
-        - App Domain: `localhost.com`
-        - Redirect URL: `https://www.localhost.com`
+        - App Domain: `contoso.com`
+        - Redirect URL: `https://www.contoso.com`
         - Permission Request XML:  
 
             ```xml