diff --git a/v3/src/sound/webaudio/WebAudioSound.js b/v3/src/sound/webaudio/WebAudioSound.js
index 49b121276..33c606a64 100644
--- a/v3/src/sound/webaudio/WebAudioSound.js
+++ b/v3/src/sound/webaudio/WebAudioSound.js
@@ -45,7 +45,7 @@ var WebAudioSound = new Class({
          */
         this.loopSource = null;
         /**
-         * [description]
+         * Gain node responsible for controlling this sound's muting.
          *
          * @private
          * @property {GainNode} muteNode