Fix document
Fix document

anaruse/chainer,wkentaro/chainer,wkentaro/chainer,ktnyt/chainer,okuta/chainer,wkentaro/chainer,tkerola/chainer,hvy/chainer,niboshi/chainer,okuta/chainer,okuta/chainer,aonotas/chainer,pfnet/chainer,jnishi/chainer,wkentaro/chainer,ktnyt/chainer,hvy/chainer,hvy/chainer,niboshi/chainer,jnishi/chainer,okuta/chainer,niboshi/chainer,keisuke-umezawa/chainer,chainer/chainer,niboshi/chainer,chainer/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,ronekko/chainer,ktnyt/chainer,rezoo/chainer,jnishi/chainer,ktnyt/chainer,hvy/chainer,keisuke-umezawa/chainer,chainer/chainer,chainer/chainer,jnishi/chainer