Clarify the config description with a margin.
Clarify the config description with a margin.

R=
CC=
https://codereview.appspot.com/11355045

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