diff --git a/README.md b/README.md
index 6dcab98..a1599e4 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Load an audio file, slice it into regions (automatically via onset detection or
 - **Manual slice control** - Click to add, right-click to remove, drag to reposition slice markers
 - **Per-voice envelopes** - Amplitude and filter ADSR envelopes with configurable depth
 - **Filter** - 5-mode biquad filter (LP12, LP24, HP, Bandpass, Notch) with cutoff, resonance, and envelope depth
-- **Tone shaping** - Bass and treble controls
+- **Bass / Treble** -- Adjust low and high frequency emphasis for onset detection (affects how auto-slicing works)
 - **Pitch shift** - Key transpose from -12 to +12 semitones
 - **Time stretch** - Resample to a target beat count at a given BPM
 - **Undo/redo** for slice operations