Update external-login-providers.md

Updating Entra ID guide

Author: jesp209i

umbraco-cloud/set-up/external-login-providers.md

@@ -87,7 +87,7 @@ Once the app has been registered, you must find and note down a series of keys.
 Locate and note down the following keys:
 
 * **Application (client) ID** - found on the **Overview** page for the app.
-* **Microsoft Entra ID OAuth 2.0 authorization endpoint (v2) -** available from **Endpoints** on the **Overview** page.
+* **Authority URL** - available from **Endpoints** on the **Overview** page.
 * **Secret ID** - needs to be generated on the **Certificates & Secrets** page.
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