Alt attribute showing that it is empty

Tell us what’s happening:
Describe your issue in detail here.
why does it keep saying my alt attribute is empty when it is not. please help

  **Your code so far**

<h2>CatPhotoApp</h2>
<main>
<img src=https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg alt= A cat relaxing .>
<p>Kitty ipsum dolor sit amet, shed everywhere shed everywhere stretching attack your ankles chase the red dot, hairball run catnip eat the grass sniff.</p>
<p>Purr jump eat the grass rip the couch scratched sunbathe, shed everywhere rip the couch sleep in the sink fluffy fur catnip scratched.</p>
</main>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36

Challenge: Add Images to Your Website

Link to the challenge:

You need to use quotes around the values of the attributes