Hello! I do my first tests. I dont know what Commenting is a way that you can leave comments for other developers within your code without affecting the resulti

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

Your code so far


<h1>Hello World</h1>

<h2>CatPhotoApp</h2>

<p>Hello Paragraph</p>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36

Challenge: Fill in the Blank with Placeholder Text

Link to the challenge:

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