Learn HTML by Building a Cat Photo App - Step 1

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

<html>
  <body>
    <h1>Hello World</h1>
  </body>
</html>
<catphoto> 
</h1>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 1

Link to the challenge:

You ought to change the text within the h1 tag from Hello world to CatPhotoApp.

mod edit: solution redacted