If you like video I posted an example of this as well.
When you take a look at the properties of any element in Revit you are presented with parameters organized into Groups, the blue (at least in my Windows config) bar above parameters. This blue bar is one the "sneaky buttons" as I call them.
Clicking at any point along the blue bar will contract or expand the list of parameters. Okay you know that already...so here's the point.
You'll find that if you use a combination of the scroll bar AND the Groups that at times Revit will be unable to display all of the parameters toward the bottom of the list. This is particularly true of the Family Editor > Family Types dialog where I seem to spend a fair bit of time. In order to see them you'll have to expand all the Groups and then use the Scroll Bar.
I debated...is the Dept. of Subtle or Quirky?...Quirky won but it's a toss up!!