diff --git a/DOCS/mplayer.1 b/DOCS/mplayer.1
index 8013b3cd79..c2e2a9d3f9 100644
--- a/DOCS/mplayer.1
+++ b/DOCS/mplayer.1
@@ -272,6 +272,7 @@ p or SPACE      pause movie (press any key)
 
 q or ESC        stop playing and quit program
 
++ or -          adjust audio delay by +/- 0.1 second
 
 / or *          decrease/increase volume