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MFS(R) TOTAL RETURN FUND
Supplement to the Current Prospectus
The description of portfolio managers under the "Management of the Fund"
section is hereby restated as follows:
David M. Calabro, Lisa B. Nurme, Kenneth J. Enright and David S. Kennedy,
each a Senior Vice President of the Adviser, and - Constantinos G. Mokas, a Vice
President of the Adviser, are the fund's portfolio managers. Mr. Calabro is the
head of this portfolio management team and a manager of the equity portion of
the portfolio. Mr. Calabro has been a portfolio manager of the fund since 1995
and has been employed in the investment management area of the Adviser since
1992. Mr. Mokas, a manager of the equity portion of the portfolio, has been a
portfolio manager of the fund since 1998, and has been employed in the
investment management area of the Adviser since 1990. Ms. Nurme, a manager of
the equity portion of the portfolio, has been a portfolio manager of the fund
since 1995 and has been employed in the investment management area of the
Adviser since 1987. Mr. Enright, also a manager of the equity portion of the
portfolio, has been a portfolio manager of the fund since 1999 and has been
employed in the investment management area of the Adviser since 1986. Mr.
Kennedy, a manager of the fixed income portion of the fund, has been employed in
the investment management area of the adviser since June 28, 2000. Mr. Kennedy
is a portfolio manager of the fund effective September 1, 2000. Prior to joining
MFS, Mr. Kennedy had been a fixed income portfolio manager and research analyst
with Harbor Capital Management Company.
The date of this Supplement is September 1, 2000.
