Fix document
Fix document

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