diff --git a/DOCS/AUTHORS b/DOCS/AUTHORS
index 8bc33b0e7a..00f9bc549e 100644
--- a/DOCS/AUTHORS
+++ b/DOCS/AUTHORS
@@ -127,9 +127,8 @@ Michael Hipp:
 
 Mark Podlipec:
 - xanim author    [I'm using its aLaw+uLaw audio decoder]
-
-Jutta Degener and Carsten Bormann:
-- xa_gsm.c authors  [MS-GSM audio codec]
+- xa_gsm.c author  [MS-GSM audio codec]
+                   [from a GSM library by Jutta Degener and Carsten Bormann]
 
 Their code is not used in current player version, but I've got some ideas or
 other technical help from:
diff --git a/DOCS/mplayer.1 b/DOCS/mplayer.1
index b6fbdfc8a4..48a379d9f4 100644
--- a/DOCS/mplayer.1
+++ b/DOCS/mplayer.1
@@ -47,6 +47,7 @@ mplayer \- Movie Player for Linux
 .RB [ \-framedrop ]
 .RB [ \-hardframedrop ]
 .RB [ \-dvdkey\ key ]
+.RB [ \-stereo\ mode ]
 .I - or file
 .PP
 .SH DESCRIPTION
@@ -228,6 +229,14 @@ specify -nodshow !!!)
 .B \-dvdkey key
 key to decrypt stream encrypted with CSS. For example : -dvdkey F169072699
 (this is NOT for DVD playing! For DVD use the -dvd option!)
+.TP
+.B \-stereo mode
+select type of MPEG1 stereo output. Mode may be 0:stereo 1:left 2:right
+
+        Stereo         0
+        Left channel   1
+        Right channel  2
+
 .IP
 .SH "ALPHA/BETA CODE"
 .TP