Declare the Doctype of an HTML Document Help me please

Tell us what’s happening:

Your code so far


 <!DOCTYPE html>
<html>
  <!-- Your HTML code goes here -->
</html> 

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/declare-the-doctype-of-an-html-document

I am a little confused here. Do u need help or is this a challenge?