Learn the CSS Box Model by Building a Rothko Painting - Step 2

Tell us what’s happening:
Describe your issue in detail here.I know its basic but what am i missing in the image element. is it the alt attribute?.

Your code so far

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Rothko Painting</title>
  </head>
  <body>
    <img src="https://cdn.freecodecamp.org/curriculum/css-box-model/diagram-1.png.">
  </body>
</html>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36

Challenge: Learn the CSS Box Model by Building a Rothko Painting - Step 2

Link to the challenge:

Check the img url very carefully. There’s something there that shouldn’t be.

Check the punctuation at the end