I wasn't sure how to send this information - I wish there were a quicklink on your knowledgebase documentation pages to report an error.
There are two broken images on the page:
https://community.d2l.com/brightspace/kb/articles/6107-upload-edit-and-play-audio-video-content-with-media-player#use-advanced-editing-to-edit-audio-video-content
These two: