Three doc fixes that were left behind.
Three doc fixes that were left behind.

Trivial, self-reviewed.

R=
CC=
https://codereview.appspot.com/6922053

mitechie/juju-gui,CanonicalJS/juju-gui,bac/juju-gui,bac/juju-gui,bac/juju-gui,mitechie/juju-gui,mitechie/juju-gui,mitechie/juju-gui,bac/juju-gui,CanonicalJS/juju-gui,jrwren/juju-gui,jrwren/juju-gui,jrwren/juju-gui,jrwren/juju-gui,CanonicalJS/juju-gui