add comment about etcd ports
add comment about etcd ports

cihangir/kite,wingyplus/kite,ppknap/kite,280455936/kite,ppknap/kite,wingyplus/kite,ppknap/kite,koding/kite,rjeczalik/kite,mischief/kite,fatih/kite,rjeczalik/kite,rjeczalik/kite,mischief/kite,fatih/kite,koding/kite,koding/kite,leeola/kite,280455936/kite,leeola/kite,cihangir/kite