In the challenge they gave me a hint saying that Your h2 element should be below the main element's opening tag and I did it and they still say I am wrong

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

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
  <h2>Cat Photos</h2>
  <!-- TODO: Add link to cat photos -->
  <p>Click here to view more cat photos.</p>
  </main> 
    <ul> 
      <li> Child Element 1 </li>
      <li> Child Element 2 </li>
      <li> Child Element 3 </li>
    </ul>
</body>
</html>
  **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: Step 6

Link to the challenge:

You aren’t supposed to add in the ul and li stuff, that was just an example of what indenting looks like. You were just supposed to add indenting to some of the lines of existing code.