diff --git a/doc/variables.xml b/doc/variables.xml
index 8192c98c..f570c85f 100644
--- a/doc/variables.xml
+++ b/doc/variables.xml
@@ -1618,7 +1618,7 @@
If mixer exists, display everything between
$if_mixer_mute and the matching $endif. If no mixer is
- specified, "Master" is used.
+ specified, "Vol" is used.
@@ -2056,10 +2056,14 @@
Prints the mixer value as reported by the OS.
- Default mixer is "Master", but you can specify one of the
- available ALSA Simple mixer controls.
- You can find the list of those available on your system
- using amixer.
+ On Linux, this variable uses the OSS emulation, so you
+ need the proper kernel module loaded.
+ Default mixer is "Vol", but you can specify one of the
+ available OSS controls: "Vol", "Bass", "Trebl", "Synth",
+ "Pcm", "Spkr", "Line", "Mic", "CD", "Mix", "Pcm2 ", "Rec",
+ "IGain", "OGain", "Line1", "Line2", "Line3", "Digital1",
+ "Digital2", "Digital3", "PhoneIn", "PhoneOut", "Video",
+ "Radio" and "Monitor".