diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 284526a05a..7ed4e19d56 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -3624,7 +3624,7 @@ but also makes use of newer extensions, which allow support for more
 colorspaces and direct rendering.
 For optimal speed try something similar to
 .br
-\-vo gl:yuv=2:force\-pbo:ati\-hack \-dr \-noslices
+\-vo gl:yuv=2:rectangle=2:force\-pbo:ati\-hack \-dr \-noslices
 .br
 The code performs very few checks, so if a feature does not work, this
 might be because it is not supported by your card/OpenGL implementation