Tell us what’s happening:
The html tags should wrap around one h1 element.
Your code so far
<!DOCTYPE html>
<html>
<body>
<h1>This is test heading</h1>
</body>
</html>
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0.
Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/basic-html-and-html5/declare-the-doctype-of-an-html-document/