Learn HTML by Building a Cat Photo App - Step 15

Tell us what’s happening:
Describe your issue in detail here.
i don’t understand the task on section 15 and how to solve it plsssss

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
    <elementname><h2>Cat Photos</h2>
    <!-- TODO: Add link to cat photos -->
    <p>Click here to view more <a target="_blank" href="https://freecatphotoapp.com">cat photos</a>.</p>
    <a href="https://freecatphotoapp.com"><img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>
  </main>
</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: Learn HTML by Building a Cat Photo App - Step 15

Link to the challenge:

Hi!
<elementname> is not a valid html tag, it was only previously used as an example for how html elements format.

As a hint, if a <main> element uses the word main, what word would a section element use?