diff --git a/source/F/openbox_keyboard.rst b/source/F/openbox_keyboard.rst
index bb09d9ae..1e2351c8 100644
--- a/source/F/openbox_keyboard.rst
+++ b/source/F/openbox_keyboard.rst
@@ -148,4 +148,6 @@ Decrease Volume               XF86VolumeLower
 
 Increase Volume               XF86VolumeRaise
 
+Mute Volume                   XF86AudioMute
+
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