Learn HTML by Building a Cat Photo App - Step 46

Tell us what’s happening:
Describe your issue in detail here.
nesting another radio button with the option Outdoor in a new label element. is what am finding difficult to do. i need help please.

  **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">
        <label><input id="indoor" type="radio"> Indoor</label>
        <label><input id="outdoor" type="radio"> outdoor</label>
        <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 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 46

Link to the challenge:

Please take a look at the task carefully. You have case-sensitivity related issue in this line

Hi!

Correct capitalisation is important to pass the lessons, look at what you have typed and what the lesson wants you to put. Notice any difference?