What is the error i am unable to understand? Help me please

Tell us what’s happening:

Your code so far

<!DOCTYPE html>
<h1>--Hello World

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.162 Safari/537.36.

Challenge: Declare the Doctype of an HTML Document

Link to the challenge:

That line there. This will make more sense as you do this more, but that should be a pair with <h1>. One “opens” the headline and then the second one “closes” it. So, you have th h1 opening with <h1> but you don’t have a closing. You have <h>, but that isn’t anything. They don’t have to be on the same line, but they do have to be paired in the structure (except that there are a few self-closers, but this ain’t one.)

All I have to do is add one character to your code and it passes.

Is this enough of a clue?