Fix document
Fix document

keisuke-umezawa/chainer,sinhrks/chainer,keisuke-umezawa/chainer,niboshi/chainer,okuta/chainer,muupan/chainer,ktnyt/chainer,pfnet/chainer,truongdq/chainer,ktnyt/chainer,AlpacaDB/chainer,AlpacaDB/chainer,hvy/chainer,hvy/chainer,ktnyt/chainer,cupy/cupy,keisuke-umezawa/chainer,chainer/chainer,rezoo/chainer,sinhrks/chainer,cupy/cupy,ktnyt/chainer,benob/chainer,benob/chainer,chainer/chainer,muupan/chainer,niboshi/chainer,jnishi/chainer,niboshi/chainer,okuta/chainer,wkentaro/chainer,keisuke-umezawa/chainer,t-abe/chainer,tkerola/chainer,wkentaro/chainer,cupy/cupy,kiyukuta/chainer,chainer/chainer,chainer/chainer,jnishi/chainer,ysekky/chainer,aonotas/chainer,wkentaro/chainer,hvy/chainer,niboshi/chainer,ronekko/chainer,anaruse/chainer,delta2323/chainer,kashif/chainer,okuta/chainer,jnishi/chainer,hvy/chainer,cupy/cupy,truongdq/chainer,kikusu/chainer,kikusu/chainer,okuta/chainer,wkentaro/chainer,cemoody/chainer,t-abe/chainer,jnishi/chainer