fix some mistakes
fix some mistakes

kleisauke/fullcalendar,fullcalendar/fullcalendar,fullcalendar/fullcalendar,kleisauke/fullcalendar,pietervisser/fullcalendar,pietervisser/fullcalendar,kleisauke/fullcalendar,laoneo/fullcalendar,laoneo/fullcalendar,fullcalendar/fullcalendar,oleg-babintsev/fullcalendar,arshaw/fullcalendar,pietervisser/fullcalendar,kleisauke/fullcalendar,arshaw/fullcalendar,arshaw/fullcalendar,oleg-babintsev/fullcalendar,fullcalendar/fullcalendar,laoneo/fullcalendar,arshaw/fullcalendar,oleg-babintsev/fullcalendar