diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 25dea92ef5..3b65c00391 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -2421,7 +2421,8 @@ screen size (default: 5).
 Specify the framerate of the subtitle file (default: movie fps).
 .br
 .I NOTE:
-Only for frame-based subtitle files, i.e.\& MicroDVD format.
+<rate> > movie fps speeds the subtitles up for frame-based subtitle files and
+slows them down for time-based ones.
 .
 .TP
 .B \-subpos <0\-100> (useful with \-vf expand)