I have been looking at the video and my library does seem to right click and get the types in the categories. All I have is title, author and My tags. help.
If you right mouse click on the library section that lists what you have, does it provide a listing of items you can include? My Mac is at home.
Can you post a screenshot of what you're seeing?
You already tried to right-click on the heading bar at the top of the Library window? You should see a list like this one:
