This Supplement is filed pursuant to Rule 497(d) with regard to
Municipal Investment Trust Fund, Insured Series-204, Defined Asset Funds.
The text of the supplement to the Prospectus dated May 19, 1994
is as follows:
Supplement Dated
June 13, 1994
to Prospectus dated May 19, 1994
for Municipal Investment Trust Fund
Insured Series-204
Defined Asset Funds
Subsequent to the Initial Date of Deposit, the coupon of the Debt
Obligations in Portfolio No. 2 was changed as reflected in the correct
description set forth below.
Illinois Health Facility Authority Bonds (The University of Chicago
Hospital Project), Series 1994 A (MBIA Ins.), 6.125%, due 8/15/26.
The cost of these Debt Obligations to the Fund should have been
$765,944.00 and the yield to maturity on the Initial Date of Deposit
should have been 6.439%. The revised annual payout is $57.89, first
payment is $3.48 payable August 25, 1994 to holders of record August 10,
1994 with monthly payments of $4.82 thereafter.
