What is wrong with my tittle element?

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**
<!DOCTYPE html>
<html>
<head> 
<title> Registration form</tittle>
</head>
<body>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; Android 10; TECNO KC8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.99 Mobile Safari/537.36

Challenge: Step 4

Link to the challenge:

Hello there.

Do you have a question?

If so, please edit your post to include it in the Tell us what’s happening section.

Learning to describe problems is hard, but it is an important part of learning how to code.

Also, the more information you give us, the more likely we are to be able to help.

You need to check the closing </title> tag because there is two tt