Link at the action

<!--  I don't know how to put the link in the "atcion 'and read the" input " -->

<h2>CatPhotoApp</h2>
<main>

 <form action="/https://freecatphotoapp.com/submit-cat-photo">

   <input type="text" placeholder="cat photo URL">

</form>

I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

See this post to find the backtick on your keyboard.
Note: Backticks (`) are not single quotes (’).

It would help if you provided a link for the challenge.

What do the failing tests say? What else have you tried?