Learn HTML by Building a Cat Photo App - Step 6

Don’t get why I’ve done wrong here

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
  <ul>
    <li> <h2>Cat Photos</h2> </li>
    <li> <!-- TODO: Add link to cat photos --> </li>
   <li> <p>Click here to view more cat photos.</p> </li>
  </ul>
  </main>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.15

Challenge: Learn HTML by Building a Cat Photo App - Step 6

Link to the challenge:

Hi, and welcome to the forum!

your main element should have 4 spaces from the start of the line, and it’s children 6.