Create Texture by Adding a Subtle Pattern as a Background Image. It's a bug?

Tell us what’s happening:
I don’t understanding why it’s wrong. Can you explain please?

Your code so far


<style>
  body {
    background: url(https://i.imgur.com/MJAkxbh.png);
  }
</style>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/applied-visual-design/create-texture-by-adding-a-subtle-pattern-as-a-background-image

put the link inside double quotes like
url(“myurl”);