Learn HTML by Building a Cat Photo App - Step 2

Tell us what’s happening:
i’m writing correct code still not able to pass the test case
tried with all h1 to h6 elements nothing is happening

Your code so far

<html>
  <body>
    <h2>Cat Photos</h2>
  </body>
</html>

Your browser information:

User Agent is: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 2

Link to the challenge:

Hi there,
please read the instructions carefully.

Below the h1 element, add an h2 element with this text:

As I can see from your code you only have an h2 element.
but remember there should be one h1 and below that there should be an h2.