Update comment for deltarule
Update comment for deltarule

Change-Id: Ia2a56a7c9b9ecf441e43af2efb0fc5f6b9cbd70a

openstack/congress,ramineni/my_congress,ramineni/my_congress,openstack/congress,ramineni/my_congress,ekcs/congress,ramineni/my_congress,ekcs/congress,ekcs/congress,ekcs/congress