diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 6e0ed54823..0f419d2379 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -4403,9 +4403,9 @@ Sine function delta, use very low values to hear the sweep.
 .PD 1
 .
 .TP
-.B sinesuppress[=freq:delay]
+.B sinesuppress[=freq:decay]
 Remove a sine at the specified frequency.
-Useful to get rid of the 50/60hz noise on low quality audio equipment.
+Useful to get rid of the 50/60Hz noise on low quality audio equipment.
 It probably only works on mono input.
 .PD 0
 .RSs