Please hepl me, i don't understand where am i wrong

HTML-CSS
1

Tell us what’s happening:

Your code so far


<h2>CatPhotoApp</h2>
<main>
  <p>Click here to view more <a href="#">cat photos</a>.</p>
  
  <a href="#"><img src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>
  
  <p>Things cats love:</p>
  <ul>
    <li>cat nip</li>
    <li>laser pointers</li>
    <li>lasagna</li>
  </ul>
  <p>Top 3 things cats hate:</p>
  <ol>
    <li>flea treatment</li>
    <li>thunder</li>
    <li>other cats</li>
  </ol>
  <input type="text" placeholder="cat photo URL" <form action="/submit-cat-photo"></form>
<main>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/create-a-form-element

3

You have to nest it inside the input form
<.form>
<.input type=“text” placeholder=“cat photo URL” action="/submit-cat-photo"><./form>

4

now I understand, thank youu