add full-stop to mod description for consistency
add full-stop to mod description for consistency

EVAST9919/osu,EVAST9919/osu,ppy/osu,smoogipooo/osu,johnneijzen/osu,johnneijzen/osu,2yangk23/osu,smoogipoo/osu,UselessToucan/osu,ppy/osu,peppy/osu,peppy/osu,smoogipoo/osu,NeoAdonis/osu,2yangk23/osu,peppy/osu-new,UselessToucan/osu,UselessToucan/osu,ppy/osu,smoogipoo/osu,NeoAdonis/osu,peppy/osu,NeoAdonis/osu