diff --git a/doc/4-instrument/8930.md b/doc/4-instrument/8930.md
index ca57def9..2d671f6d 100644
--- a/doc/4-instrument/8930.md
+++ b/doc/4-instrument/8930.md
@@ -11,6 +11,6 @@ AY8930 instrument editor consists of these macros.
 - [Duty] - duty cycle of a pulse wave sequence
 - [Envelope] - allows shaping an envelope
 - [AutoEnv Num] - sets the envelope to the channel's frequency multiplied by numerator
-- [AutoEnv Den] - sets the envelope to the channel's frequency multiplied by denominator
+- [AutoEnv Den] - sets the envelope to the channel's frequency divided by denominator
 - [Noise AND Mask] - alters the shape/frequency of the noise generator, allowing to produce various interesting sound effects and even PWM phasing
 - [Noise OR Mask] - see above