Why does it say that I cannot change the order of elements when I have not made any changes

Tell us what’s happening:

Your code so far

<!-->Hello World
<!-->Kitty ipsum dolow sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36.

Challenge: Comment out HTML

Link to the challenge:

Did you even noticed result on preview pane??
Your h1 and h2 elements are not commented with your code…

Note that comment start with <!-- not with <!-->
and you need not remove <h1> or any other tag to apply html…