diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 5dda7b32fb..933408a4e4 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -888,6 +888,7 @@ Falls back to IPv4 automatically.
 .B \-rawaudio <option1:option2:...>
 This option lets you play raw audio files.
 It may also be used to play audio CDs which are not 44KHz 16Bit stereo.
+For playing raw AC3 streams use -rawaudio on:format=0x2000.
 
 Available options are: