Responsive web design problem

Tell us what’s happening:
Describe your issue in detail here.
I dont understand what the question here is asking me to do. Can someone please help me

   **Your code so far**
<html>
 <body>
   <h1>CatPhotoApp</h1>
     <main><ul>
 <li><h2>Cat Photos</h2> </li>
   <!-- TODO: Add link to cat photos -->
<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/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Challenge: Step 6

Link to the challenge:

You shouldn’t add any new HTML to the step. The example HTML in the instructions is just that, an example, not meant to be used in the solution.

Restart the step to get back the original HTML and formatting since formatting is very important for this step. Then, the only thing you should do is use your space bar to add two more spaces before the opening tag of each of the three child elements in main.