Basic HTML and HTML5: Comment out HTML
Remember that in order to start a comment, you need to use
<!-- and to end a comment, you need to use -->
Here you'll need to end the comment before your h2 element begins.
Comment out your h1 element and your p element, but not your h2 element.
<!-- <h1>Hello World</h1> --> <h2>CatPhotoApp</h2> <!-- <p>Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p> -->