Small comment fixups
Small comment fixups

One factual pointed out in the review in
https://bugzilla.gnome.org/show_bug.cgi?id=734053, plus some
formatting nit picks.

davidgumberg/gtk,jessevdk/gtk,chergert/gtk,alexlarsson/gtk,Lyude/gtk-,jigpu/gtk,jessevdk/gtk,jadahl/gtk,Lyude/gtk-,jigpu/gtk,Adamovskiy/gtk,ahodesuka/gtk,ahodesuka/gtk,jigpu/gtk,Adamovskiy/gtk,alexlarsson/gtk,grubersjoe/adwaita,jadahl/gtk,ahodesuka/gtk,Lyude/gtk-,Lyude/gtk-,Lyude/gtk-,chergert/gtk,davidgumberg/gtk,Adamovskiy/gtk,ahodesuka/gtk,grubersjoe/adwaita,grubersjoe/adwaita,Adamovskiy/gtk,jadahl/gtk,davidgumberg/gtk,jadahl/gtk,ahodesuka/gtk,grubersjoe/adwaita,grubersjoe/adwaita,chergert/gtk,Lyude/gtk-,jadahl/gtk,alexlarsson/gtk,grubersjoe/adwaita,Adamovskiy/gtk,grubersjoe/adwaita,jigpu/gtk,davidgumberg/gtk,davidgumberg/gtk,davidgumberg/gtk,alexlarsson/gtk,Lyude/gtk-,alexlarsson/gtk,Lyude/gtk-,ahodesuka/gtk,alexlarsson/gtk,chergert/gtk,grubersjoe/adwaita,jessevdk/gtk,jigpu/gtk,jadahl/gtk,davidgumberg/gtk,chergert/gtk,jessevdk/gtk,chergert/gtk,jessevdk/gtk,ahodesuka/gtk,jadahl/gtk,jessevdk/gtk,jigpu/gtk,Adamovskiy/gtk,jigpu/gtk,jessevdk/gtk,Adamovskiy/gtk,jadahl/gtk,jigpu/gtk,chergert/gtk,Adamovskiy/gtk,chergert/gtk,davidgumberg/gtk,alexlarsson/gtk,ahodesuka/gtk,alexlarsson/gtk