Learn HTML by Building a Cat Photo App - Step 2

Tell us what’s happening:
Describe your issue in detail here.
Followed the instructions as listed and I’m 99% certain that what I typed is correct an yet the system still tells me that I’m wrong. Not sure why it’s wrong and I’ve tried writing the code our a couple of different ways and still no change. Please help. Thank you.
Your code so far

<html>
  <body>

<!-- User Editable Region -->

    <h1>CatPhotoApp</h1>
    <h2>CatPhotos</h2>

<!-- User Editable Region -->

  </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/16.2 Safari/605.1.15

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

Link to the challenge:

Hi there please know that from now on you are meant to follow instructions precisely and that spacing matters.

The step asks you to

add an h2element with this text:

Cat Photos

Compare the spacing of the words to the spacing of the h2 text that you used.