Step 8, of HTML challenge

Tell us what’s happening:
Describe your issue in detail here.

Don’t seem to know my mistake at step 8 of my HTML challenge. I have inputed all that i need to. I followed this instruction:

" Inside the the existing img element, add an src attribute with this URL:"

  **Your code so far**
    <h2>Cat Photos</h2>
    <!-- TODO: Add link to cat photos -->
    <p>Click here to view more cat photos.</p>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36

Challenge: Step 8

Link to the challenge:

This looks like invalid url. Just copy and past the address to make sure it doesn’t contain any mistakes.

Your link is missing some parts