diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index ee5360481a..7e59088e6d 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -9663,7 +9663,9 @@ Will be updated as necessary in the case of 'format=mpeg1' or 'mpeg2'.
 .
 .TP
 .B "tsaf\ \ \ "
-Sets timestamps on all frames, if possible.
+Sets timestamps on all frames, if possible; reccomended when format=dvd.
+If dvdauthor complains with a message like "..audio sector out of range..."
+probably you didn't enable this option.
 .
 .TP
 .B init_vpts=<100\-700>