Learn HTML by Building a Cat Photo App - Step 1

Tell us what’s happening:
Describe your issue in detail here. I want to know what I’m doing wrong in my first task

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; Android 10; SM-G960F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.96 Mobile Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 1

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