I don't like saying "oh this is AI generated" because of exactly this scenario, where maybe there is care behind it and you just used AI to help you write. The problem is that as a reader I have no way to tell, and aillI have a lot of experience reading AI generated writing where it's subtly incorrect or misleading.

I would really suggest you rewrite the README, to remove the cliches and make it clear how much effort you put in. You clearly are able to communicate well about this project on your own.