Learn HTML by Building a Cat Photo App - Step 4

Tell us what’s happening:
Describe your issue in detail here.
i write the step 4 properly but it doesn’t execute why?

  **Your code so far**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <h2>Cat Photos</h2>
  <!-- T0D0: Add link to cat photos. -->
  <p>Click here to view more cat photos.</p>
  
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 4

Link to the challenge:
https://www.freecodecamp.org/learn/2022/responsive-web-design/learn-html-by-building-a-cat-photo-app/step-4**strong text**

Two things:

  • You should not add a period at the end of the comment text.
  • You are using zeros in the word “TODO” instead of capital "O"s. I would copy/paste from the instructions if possible to avoid these types of errors.