diff --git a/ChangeLog b/ChangeLog
index fa7d1e9bc4..8a610ebb73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-13  Stephane Loeuillet  <stephane.loeuillet@tiscali.fr>
+
+	* docs/random/mimetypes.txt:
+	  Add alternate FOURCC codes for h263 related codecs
+
 2004-12-10  Stefan Kost  <ensonic@users.sf.net>
 
 	* docs/manual/programs.xml:
diff --git a/docs/random/mimetypes b/docs/random/mimetypes
index 622ef10114..1aaeb17b35 100644
--- a/docs/random/mimetypes
+++ b/docs/random/mimetypes
@@ -238,7 +238,7 @@ framerate = 0 - MAXFLOAT (FLOAT)
 6 - H263 and related codecs
     MIME type: video/x-h263
     Properties:
-    Known fourccs: H263, i263, M263, x263, VDOW, VIVO
+    Known fourccs: H263, i263, L263, M263/m263, s263, x263, VDOW, VIVO
     Encoder: ffenc_h263, ffenc_h263p
     Decoder: ffdec_h263, ffdec_h263i