minor changes on comments
minor changes on comments

gnauhnoj/coco,mprat/coco,yxliang/coco,chenfsjz/coco,yxliang/coco,CVML/coco,pdollar/coco,victorgan/coco,CVML/coco,yxliang/coco,chenfsjz/coco,chenfsjz/coco,victorgan/coco,victorgan/coco,mprat/coco,yxliang/coco,chenfsjz/coco,victorgan/coco,pdollar/coco,CVML/coco,mprat/coco,pdollar/coco,gnauhnoj/coco,mprat/coco,gnauhnoj/coco,CVML/coco,gnauhnoj/coco,pdollar/coco