Where to see list of Broken Links: Click this URL -> http://saveballona.org/admin/reports/linkchecker
Also, available via Drupal Admin Menu item "Reports -> Broken Lists pulldown menu item"
You will see a list of rows, each row similar to the below. To fix the link, most times, one Edits The Node(s) by clicking on the supplied links in the right hand column. See below the red circled links and text.