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>CatPhotoApp
  </body>
</html>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

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

Link to the challenge:

you need a closing tag for this line which looks like </h1>