Quick phrasing fix to remove ambiguity.

This is small and straightforward--a summary paragraph didn't clearly
explain the process (which was properly documented further down)--
so I'm going to just go ahead and +2 it myself.

Also fixed a couple of broken anchors while I had it open.

bug: 20719615
Change-Id: I8cc806007168adcd3a674b7b30e7aa397b471cc0