Clarify that toggling a group in the EmpathyContactWidget actually toggles it.
Clarify that toggling a group in the EmpathyContactWidget actually toggles it.

Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets