You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.
Learning to describe problems is hard, but it is an important part of learning how to code.
Also, the more you say, the more we can help!
Hello and welcome to the fCC forum.
Next time you create a a topic, try explaining your issue, using your own words.
You have not edited your code. You are supposed to change the text Hello World to CatPhotoApp
Example, I have the text Hello World and I change it to Welcome to freeCodeCamp! it will look like this:
<h1>Hello World</h1>
<h1>Welome to freeCodeCamp!</h1>