Unable to the close the tags

HTML-CSS
#1

Tell us what’s happening:

Your code so far

<!..
<h1><Hello World></h1>
..>
<h2>"CatPhotoApp"</h2>
<!--  

<p><Hello Paragraph></p> 

..>

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/comment-out-html

#2

2 posts were merged into an existing topic: Comment out for helping me to uncomment paragraph line

#3
#4
#5

I merged this topic with the original one you post 20 hours ago. Please do not create duplicate topics for the same question.