String freeze break request for gnome-games

[Adrien Plazas <kekun plazas laposte net>]

Hi,

Two typo were found in a translatable string in the gnome-games package, see https://bugzilla.gnome.org/show_bug.cgi?id=779780

Is it okay break the string freeze to fix thes?

Thanks,

Adrien Plazas