Fixing missing comment on the dispatch() function.
Fixing missing comment on the dispatch() function.

etcd-io/etcd,mkumatag/etcd,etcd-io/etcd,etcd-io/etcd,mqliang/etcd,mqliang/etcd,ajityagaty/etcd,ajityagaty/etcd,mqliang/etcd,ajityagaty/etcd,mkumatag/etcd,mkumatag/etcd