So I am on step 50, where I have to add the legend element to the code. If you take a look at my code, I followed the instructions exactly as said in the description but the website still marks it as wrong. What is the mistake that I am doing and how do I fix it?
**Your code so far**
<html>
<body>
<h1>CatPhotoApp</h1>
<main>
<section>
<h2>Cat Photos</h2>
<!-- TODO: Add link to cat photos -->
<p>Click here to view more <a target="_blank" href="https://freecatphotoapp.com">cat photos</a>.</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 action="https://freecatphotoapp.com/submit-cat-photo">
<fieldset>
<legend> "Is your cat an indoor or outdoor cat?" </legend>
<label><input id="indoor" type="radio" name="indoor-outdoor" value="indoor"> Indoor</label>
<label><input id="outdoor" type="radio" name="indoor-outdoor" value="outdoor"> Outdoor</label>
</fieldset>
<input type="text" name="catphotourl" placeholder="cat photo URL" required>
<button type="submit">Submit</button>
</form>
</section>
</main>
</body>
</html>
**Your browser information:**
User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Challenge: Step 50
Link to the challenge: