diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm
index 5d7afc2812..4f7ba3738a 100644
--- a/libavcodec/x86/h264_intrapred.asm
+++ b/libavcodec/x86/h264_intrapred.asm
@@ -1,6 +1,9 @@
 ;******************************************************************************
 ;* H.264 intra prediction asm optimizations
 ;* Copyright (c) 2010 Jason Garrett-Glaser
+;* Copyright (c) 2010 Holger Lubitz
+;* Copyright (c) 2010 Loren Merritt
+;* Copyright (c) 2010 Ronald S. Bultje
 ;*
 ;* This file is part of FFmpeg.
 ;*