You seem to want the traffic, so why not take the moment to write a redirect for this specific URL in your proxy or web server configuration? Make it point some

You seem to want the traffic, so why not take the moment to write a redirect for this specific URL in your proxy or web server configuration? Make it point somewhere that works, and your problem is solved without editing the old comment. You don't have to change your URL scheme for the rest of your site, just make one exception.