Interesting. I suspect the "new" labeling change is a company thing. It's not on FCOMs I'm familiar with.
Most have just GEN DSC PRO LIM ORB PER TDU chapters.
Once your company goes Flysmart on iPad for documents you'll never go back. Love it. And Tubby it gets rid of model confusion as you enter with the model and rego and it just returns those pages.