<p><a href="https://freecatphotoapp.com">Click here to view more cat photos.</a></p>
<a href="https://freecatphotoapp.com">cat photos</a>
The lesson is asking you to nest the anchor element within the p element. It provides the anchor element and text that should be a link for you. In your attempt you created a new anchor element and now have two. Having more than one anchor element will automatically fail the challenge.
So, to fix this I recommend either deleting one of the existing anchor elements OR clicking Restart Step at the top center of the page and starting over.
You need to move the anchor element to the correct position. You embedded it properly so lets think of it in another way. If you were to read this you would first read “Click here to view more” as plain text. Then, you would read “cat photos” which also happens to be a link. After the link, you would see the period (.). It would show as seen here: