Aug. 22, 2025

BOND FUND OF AMERICA | The Bond Fund of America®

Prospectus Supplement

August 22, 2025

For the following funds with recent summary and statutory prospectuses (as supplemented to date):

American Funds® Multi-Sector Income Fund (MSI)

American Funds® Strategic Bond Fund (SBF)
Capital World Bond Fund® (WBF)

Intermediate Bond Fund of America® (IBFA)

Short-Term Bond Fund of America® (STBF)
The Bond Fund of America® (BFA)

U.S. Government Securities Fund® (GVT)