Just dont get it

Conte-nos o que está acontecendo:
when I see the graphics option, its all fine, “cat photos.” is linked , but it keeps me returning this error…

  **Seu código até o momento**
<html>
<body>
  <h1>CatPhotoApp</h1>
  <main>
    <h2>Cat Photos</h2>
    <!-- TODO: Adicionar link para as fotos de gatos -->
    <p>Click here to view more <a href="https://freecatphotoapp.com">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>
  **Informações de seu navegador:**

Agente de usuário: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Desafio: Passo 12

Link para o desafio:

Is the period supposed to be part of the link?

The period at the end of the sentence should not be in the link.