Learn HTML by Building a Cat Photo App - Step 38, and help me in this step what is an error?

HTML-CSS
1

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

Your code so far

<html>
  <body>
    <main>
      <h1>CatPhotoApp</h1>
      <section>
        <h2>Cat Photos</h2>
        <p>Everyone loves <a href="https://cdn.freecodecamp.org/curriculum/cat-photo-app/running-cats.jpg">cute cats</a> online!</p>
        <p>See more <a target="_blank" href="https://freecatphotoapp.com">cat photos</a> in our gallery.</p>
        <a href="https://freecatphotoapp.com"><img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>
      </section>
      <section>
        <h2>Cat Lists</h2>
        <h3>Things cats love:</h3>
        <ul>
          <li>cat nip</li>
          <li>laser pointers</li>
          <li>lasagna</li>
        </ul>
        <figure>
          <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/lasagna.jpg" alt="A slice of lasagna on a plate.">
          <figcaption>Cats <em>love</em> lasagna.</figcaption>  
        </figure>
        <h3>Top 3 things cats hate:</h3>
        <ol>
          <li>flea treatment</li>
          <li>thunder</li>
          <li>other cats</li>
        </ol>
        <figure>
          <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/cats.jpg" alt="Five cats looking around a field.">
          <figcaption>Cats <strong>hate</strong> other cats.</figcaption>  
        </figure>
      </section>
       <section>
        <h2>Cat Form</h2>
       <form>
        <form action="submit-url">
       </form>
      </section>
    </main>
  </body>
</html>

Your mobile information:

vivo 1907 - Android 12 - Android SDK 31

Challenge: Learn HTML by Building a Cat Photo App - Step 38

Link to the challenge:

2

You appear to have created this post without editing the template. Please edit your post to Tell us what’s happening in your own words.
Learning to describe problems is hard, but it is an important part of learning how to code.
Also, the more you say, the more we can help!

3

Remember, an HTML element has one opening tag and one closing tag.

Add an action attribute with the value https://freecatphotoapp.com/submit-cat-photo to the form element.

Follow the instructions to add an action attribute in your opening form tag with the given value.