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MFS(R) MUNICIPAL LIMITED MATURITY FUND
Supplement to the Current Prospectus
The section of the Prospectus entitled "Expense Summary - Example of Expenses"
is hereby restated as follows:
1. EXPENSE SUMMARY
Example of Expenses
An investor would pay the following dollar amounts of expenses on a $1,000
investment in the Fund, assuming (a) a 5% annual return and (b) redemption at
the end of each of the time periods indicated (unless otherwise noted):
<TABLE>
<S> <C> <C> <C>
Period Class A Class B Class C
------ ------- ------- -------
(1) (1)
1 year.................... $ 33 $ 56 $ 16 $ 27 $ 17
3 years................... 51 81 51 54 54
5 years................... 71 108 88 92 92
10 years.................. 127 171(2) 171(2) 201 201
</TABLE>
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1. Assumes no redemption.
2. Class B shares convert to Class A shares approximately eight years after
purchase; therefore, years nine and ten reflect Class A expenses.
The purpose of the expense table above is to assist investors in
understanding the various costs and expenses that a shareholder of the Fund will
bear directly or indirectly. More complete descriptions of the following
expenses are set forth in the following sections of the Prospectus: (i) varying
sales charges on share purchases - "Information Concerning Shares of the Fund -
Purchases"; (ii) varying CDSCs - "Information Concerning Shares of the Fund -
Purchases"; (iii) management fees - "Management of the Fund - Investment
Adviser"; and (iv) Rule 12b-1 (i.e., distribution plan) fees "Information
Concerning Shares of the Fund - Distribution Plan."
The "Example" set forth above should not be considered a representation of
past or future expenses of the Fund; actual expenses may be greater or less than
those shown.
***
The date of this Supplement is January 25, 1999.
