diff --git a/doc/4-instrument/psg.md b/doc/4-instrument/psg.md
index aac9260c1..53af3fa72 100644
--- a/doc/4-instrument/psg.md
+++ b/doc/4-instrument/psg.md
@@ -12,4 +12,4 @@ the instrument editor for Sega PSG (SMS, and other TI SN76489 derivatives) consi
 - **Panning**: output for left and right channels.
   - only on Game Gear!
 - **Pitch**: fine pitch.
-- **Phase Reset**: trigger restart of waveform.
+- **Phase Reset**: trigger restart of **noise only**.