Tell us what’s happening:
Describe your issue in detail here.
I have figured out the error just curious why no spacing is allowed between the “!” symbol and “DOCTYPE” name.
**Your code so far**
<! DOCTYPE html>
<html>
<h1> Cat Photo App
</h1>
</html>
**Your browser information:**
User Agent is: Mozilla/5.0 (Linux; Android 10; SM-A013G) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Mobile Safari/537.36 EdgA/99.0.1150.46
Challenge: Declare the Doctype of an HTML Document
Link to the challenge: