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  **Your code so far**Your comment should start with <!--. You are missing one or more of the characters that define the start of a comment.
<!DOCTYPE>
<html>
<head>
  <title>Geekster pre-course classes</title>
  </head>
<body>
  <h1>CatPhotoApp</h1>
  <h2>Cat Photos</h2>
 <h3> Add link to cat photos</h3>
  <p>Click here to view more cat photos.</p>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36

Challenge: Step 4

Link to the challenge:

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