diff --git a/etc/input.conf b/etc/input.conf
index dbcbe50bc7..01db678fb0 100644
--- a/etc/input.conf
+++ b/etc/input.conf
@@ -31,6 +31,8 @@
 #MBTN_LEFT     ignore              # don't do anything
 #MBTN_LEFT_DBL cycle fullscreen    # toggle fullscreen on/off
 #MBTN_RIGHT    cycle pause         # toggle pause on/off
+#MBTN_BACK     playlist-prev
+#MBTN_FORWARD  playlist-next
 
 # Mouse wheels, touchpad or other input devices that have axes
 # if the input devices supports precise scrolling it will also scale the