Need help for correct mailing address for AR-11 question

[gc_2001]

Which one of these address is correct for AR-11.

In the uscis website they have mentioned the folloiwng address.

U.S. Citizenship and Immigration Services
Change of Address
PO Box 7134
London, KY 40742-7134

But in the AR-11 form the following address is mentioned:

U.S. DEPARTMENT OF HOMELAND SECURITY
Bureau of Citizenship and Immigration Services
Change of Address
P.O. Box 7134
London, KY 40742-7134


Please share your experience.Appreciate your help.