Add doc reflecting the review
Add doc reflecting the review

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