<!DOCTYPE HTML> not working


#1



https://www.codecademy.com/en/courses/web-beginner-en-LceTK/0/2?curriculum_id=50579fb998b470000202dc8b


For some reason whenever I put in any form of it just says it an error.


Replace this line with your code. 
<!DOCTYPE HTML>
<html>
<Head>
<title>
</title>
</head>
<body>
</body>
</html>


#2

1- write html instead of HTML :

2- write <head> instead of <Head>.