MERRILL LYNCH ARIZONA MUNICIPAL BD FD OF MLMSMST, 497, 1996-01-16

MERRILL LYNCH ARIZONA MUNICIPAL BD FD OF MLMSMST
497, 1996-01-16

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                 MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND OF
               MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                             --------------------
                     Supplement dated January 16, 1996 to
          Statement of Additional Information dated October 20, 1995
                             --------------------

     The name and  biography of the portfolio  manager of the Fund,  which is
listed under  "Management of the Trust --  Trustees and Officers", is revised
as follows:

     Hugh T. Hurley,  III (31) - Portfolio Manager(1)(2) -  Vice President of
MLAM  since  1996 and  Assistant Vice  President thereof  from 1993  to 1995;
Municipal Bond  Broker with  Titus and Donnelly  Municipal Bond  Brokers from
1990 to 1993.



Code #13975-0196ALL