Learn HTML by Building a Cat Photo App - Step 3

Tell us what’s happening:
Describe your issue in detail here.

Your code so far
i have tried to build the cat photo app but in this step it just stacked even if i tried to do as the instraction

<html>
  <body>
    <h1>CatPhotoApp</h1>

<!-- User Editable Region -->

    <h2>Cat Photos</h2>
    <p1>See more cat photos in our gallery</P1>

<!-- User Editable Region -->

  </body>
</html>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 3

Link to the challenge:

i have tried to build the cat photo app but in this stape it just stacked even if i tried to do as the instraction

“p1” is not an element. There are no p levels like h. Just use a p tag like so: <p></p>