To remove the space:
  1. Edit the content type you added the link to.
  2. Highlight the link with your cursor.
  3. Click on the Insert/Edit Link (chain icon) in the tool bar.
  4. In the Insert/Edit Link popup window, place your cursor in the Link URL field.
  5. Drag your cursor all the way to the left until you get to the beginning of the URL.
  6. Remove the %20.User-added image
  7. Click Update.
  8. Save & Exit from the content item.