diff --git a/DOCS/en/mplayer.1 b/DOCS/en/mplayer.1
index 96c48740d2..a7b47c3615 100644
--- a/DOCS/en/mplayer.1
+++ b/DOCS/en/mplayer.1
@@ -3272,6 +3272,8 @@ h263 style quantizer default: -64
 .br
 Note: the h263 MMX quantizer cannot handle positive biases (set vfdct=1or2)
       the mpeg MMX quantizer cannot handle negative biases (set vfdct=1or2)
+.br
+Tip: a more positive bias (-32 - -16 instead of -64) seems to improve the PSNR
 .RE
 .
 .TP