Thanks so much for the question, Chris! And great idea to also personalize the Cancel Reply link–I had not even thought of that for some reason. 😉

I’ve gone ahead and updated the post with the code necessary to also personalize the Cancel Reply link and I’ve tested it on the TwentyTwelve theme just to be sure. You can see the updated section at the bottom of the post: https://raam.org/2013/personalizing-the-wordpress-comment-reply-link/