Cat photo app step 20

Step 20

After the h3 element with the Things cats love: text, add an unordered list (ul) element. Note that nothing will be displayed at this point.

//      <h2>Cat Lists</h2>
        <h3>Things cats love:</h3> //

I don’t know where to nest the u1 element

please don’t delete the link when you open a request for help. (this one time only, I’ve added it in for you)
(we need it to know what you need help with).
Also:

I’ve edited your code for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

See this post to find the backtick on your keyboard.
Note: Backticks (`) are not single quotes (').

They didn’t ask you to “nest a u1” element
They asked you to create a ul element after the h3

so not u1, ul