Not working what should i do now

HTML-CSS
1

Tell us what’s happening:

Your code so far


<h2>CatPhotoApp</h2>
<header>
<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 th sink fluffy fur catnip scratched</p>
</heder>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/introduction-to-html5-elements

2

Close but you need to wrap your p elements in a main tag. See below:

<h2>CatPhotoApp</h2>
<main>
<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 th sink fluffy fur catnip scratched</p>
</main>
3

You need to wrap those paragraphs in a <main> tag

4

thank you, you helped me
what is the work of tag
I have read som basic of HTML in my school bit not used tag before
can you please tell me