Fix document
Fix document

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