Can't find the error!

I get the error : The link’s text should be cat photos . You have either omitted the text or have a typo.

But I have seen this over and over again and changed and moved an nothing happens. Please help.

My code:

CatPhotoApp

Cat Photos

Click here to view more cat photos.

<img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back.">
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
    <h2>Cat Photos</h2>
    <!-- TODO: Add link to cat photos -->
    <p>Click here to view more <a href="blank space">cat photos.</a></p>

    <img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back.">
  </main>
</body>
</html>
 here's the problem:

Click here to view more cat photos.

Should the period be part of the link?