Learn HTML by Building a Cat Photo App - Step 5

I don’t know how to go about step 5 and I have tried severally but it’s saying code error kindly help with the correct code:
Describe your issue in detail here.

Your code so far

<html>
  <body>

<!-- User Editable Region -->

  
    <h1>CatPhotoApp</h1>
    <h2>Cat Photos</h2>
    <!-- TODO: Add link to cat photos -->
    <p>See more cat photos in our gallery.</p>
    

<!-- User Editable Region -->

  </body>
</html>

Your browser information:

User Agent is: Mozilla/5.0 (iPhone; CPU iPhone OS 16_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Mobile/15E148 Safari/604.1

Challenge: Learn HTML by Building a Cat Photo App - Step 5

Link to the challenge:

You haven’t tried anything. Add a main element before the h1 element