How to edit the URL of Web Services in App Composer?

Summary:

After a P2T or T2T, how do I update the URL in the Web Services in the App Composer of Dev/Test instance to point to the correct target URL?

Content (please ensure you mask any confidential information):

After P2T, the URL in Web Services in Dev/Test instance are pointing to the Production URLs. I want to change them to the test/dev URLs. How do I edit the web services URL? They're showing as read-only to me.

Version (include the version you are using, if applicable):

24D