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MFS CAPITAL GROWTH FUND
Supplement to the Current Prospectus
The description of the portfolio manager under the "Management of the Fund
Investment Adviser" section beginning on page 14 of the Prospectus is hereby
revised to reflect that, effective June 10, 1997, Stephen Pesek is the portfolio
manager of the Fund. Mr. Pesek is a Vice President of Massachusetts Financial
Services Company ("MFS") and has been employed by MFS as a portfolio manager
since 1994. Prior to 1994, Mr. Pesek worked at Fidelity Investments as an
analyst.
The date of this Supplement is June 13, 1997.
