diff --git a/MANUAL b/MANUAL
index bfe59479..4c7e6c88 100644
--- a/MANUAL
+++ b/MANUAL
@@ -1005,6 +1005,10 @@ Version 2.0
 
   Volume linearize = 0   How to linearize the volume control. The valid range is
                          from -20 to 20. A value of 0 results in no linearization.
+                         The higher this value is, the more fine grained the control
+                         of the volume is for low sound levels. Lower values do the
+                         same for high sound levels. This allows you to adjust the
+                         more or less linear volume control of your sound card.
 
   Channels wrap = no     During zapping with the "Up" and "Down" keys (or the
                          "Channel+" and "Channel-" keys) the current channel will