Cat photos app creation for beginners

Tell us what’s happening:
Describe your issue in detail here.
am a beginner in programming ,no prior knowledge
identing a child element from the parent element to increase readability

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

User Agent is: Mozilla/5.0 (Windows NT 6.2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Step 6

Link to the challenge:

You are simply just asked to make a space between the main and h2
hit enter twice after your main

the three elements are nested and for this reason children of the "main. All three need two more spaces before it, for better readability .
image
In one sentence we can say: the children header2, comment and paragraph are nested within a main element, the parent.