Main element to HTML5 Elements

Tell us what’s happening:
Your code should have one main element. I don’t understand what’s main element, pls help, thanks.

Your code so far

<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>
<p>Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</p>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36.

Link to the challenge:

main element is something like this.

<main></main> You can nest other html elements in here as well like

<article>Hello World</article>