Help a reader who may not know Studio very well

Author: jcaudle

docs/source/guides/auth.mdx

@@ -155,7 +155,7 @@ You need a graph's credentials and a valid GraphOS plan to use the router's auth
 
    Note: You don't need to run this command.
 
-1. Retrieve the values for `YOUR_APOLLO_KEY` and `YOUR_APOLLO_GRAPH_REF`.
+1. Retrieve the values for `YOUR_APOLLO_KEY` and `YOUR_APOLLO_GRAPH_REF` from the modal and click **Finish later**.
 
 #### Run the MCP Server and router