MOL-401: update Authorization MD

docs/Authorization.md

@@ -6,8 +6,20 @@ This guide explains how to connect to the Mollie client and verify the connectio
 
 ## Connecting to Mollie
 
-To connect to the Mollie account, you must specify the `MOLLIE_API_KEY` in your .env file. You can get the API key from your Mollie Dashboard.
+To connect to the Mollie account, you must specify the `MOLLIE_API_TEST_KEY` and `MOLLIE_API_LIVE_KEY` in your .env file. You can get the API key from your Mollie Dashboard.
 
 ## Verify Connection
 
-To verify that the connection to the Mollie account is successful, use the endpoint /service/test-mollie-connection. The response from this endpoint should be a list of available payment methods.
+To verify that the connection to the Mollie account is successful, use the endpoint `/processor/mollie/status/`.
+
+The expected response is a JSON object holding the current Mollie profile information including `mode`, `name`, `website`, and `status`.
+
+Example response:
+
+```json
+{
+  "mode": "test",
+  "name": "Mollie B.V.",
+  "website": "https://www.mollie.com",
+  "status": "verified"
+}