How to change an online text from google that "isn't" changeable

In this video, I'll show you how to change an online text from google, I mean like mayba a channel is called "ClixEditz" (made that name up) and then using a simple trick from the video here, you can change it to watever you want like maybe "The goat at editing" something like that. I don't want to spoil too much so just go on and watch the video.