Learn HTML by Building a Cat Photo App - Step 2

Tell us what’s happening:
Describe your issue in detail here.
so when I do <h2> when it asks it but when I check it it says do </h2> I do it then it says do <h2> again

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <h2> Cat Photos 
</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/15.6.1 Safari/605.1.15

Challenge: Learn HTML by Building a Cat Photo App - Step 2

Link to the challenge:

Here you have both on opening and closing tag.

You need to do the same here