Tell us what’s happening:
Describe your issue in detail here.
**Your code so far**
<html>
<catphotoapp>Hello World</catphotoapp>
</body>
</html>
**Your browser information:**
User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.15
Challenge: Step 1
Link to the challenge: