diff --git a/docs/config.rst b/docs/config.rst
index 5099f04d..50369e78 100644
--- a/docs/config.rst
+++ b/docs/config.rst
@@ -78,6 +78,17 @@ Core configuration values
 
     Setting the config value to blank turns off volume control.
 
+
+.. confval:: audio/mixer_volume
+
+    Audio mixer initial volume.
+    
+    Expects an Integer between 0 and 100.
+
+    Sets the initial volume of the audio mixer. Setting the config value to blank 
+    sets the initial volume for the software mixer to 100.
+
+
 .. confval:: audio/mixer_track
 
     Audio mixer track to use.