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MFS(R) MUNICIPAL LIMITED MATURITY FUND
MFS(R) MUNICIPAL INCOME FUND
Supplement to the Current Prospectus
The description of portfolio managers under the "Management of the Trust -
Investment Adviser" section is hereby restated as follows:
Effective May 1, 1999, Christopher J. Mier, a Senior Vice President of the
Adviser, became the portfolio manager of the Fund. Mr. Mier has been employed as
a portfolio manager with the Adviser since April 1999. Prior to April 1999, Mr.
Mier was a managing director and portfolio manager in the municipal bond
department at Scudder Kemper Investments, Inc.
The date of this Supplement is May 1, 1999.
