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BNY Mellon AMT-Free Municipal Bond Fund

Risk/Return:

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Supplement to Prospectus [Text Block]

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BNY MELLON MUNICIPAL FUNDS, INC.

BNY Mellon AMT-Free Municipal Bond Fund

Supplement to Current Summary Prospectus and Prospectus

Risk/Return [Heading]

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BNY Mellon AMT-Free Municipal Bond Fund

Strategy Narrative [Text Block]

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The following information supplements and supersedes any contrary information in the sections "Principal Investment Strategy" in the summary prospectus and "Fund Summary—Principal Investment Strategy" in the prospectus:

The fund normally invests at least 80% of its net assets in municipal bonds that provide income exempt from the federal alternative minimum tax.

Although the fund seeks to provide income exempt from federal income tax and the federal alternative minimum tax, income from some of the fund's holdings may be subject to these taxes.