What is the error inside of the img element

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

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
    <h2>Cat Photos</h2>
    <!-- TODO: Add link to cat photos -->
    <p>Click here to view more cat photos.</p>
    <img> src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg">.
    </main>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Step 8

Link to the challenge:

example of an img element using an src attribute: <img src="https://www.your-image-source.com/your-image.jpg">.