diff --git a/libavcodec/x86/hpeldsp.asm b/libavcodec/x86/hpeldsp.asm
index 0f6f9e9ad2..7f0c285fa3 100644
--- a/libavcodec/x86/hpeldsp.asm
+++ b/libavcodec/x86/hpeldsp.asm
@@ -4,6 +4,7 @@
 ;* Copyright (c)      Nick Kurshev <nickols_k@mail.ru>
 ;* Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
 ;* Copyright (c) 2002 Zdenek Kabelac <kabi@informatics.muni.cz>
+;* Copyright (c) 2013 Daniel Kang
 ;*
 ;* MMX optimized hpel functions
 ;*
diff --git a/libavcodec/x86/mpeg4qpel.asm b/libavcodec/x86/mpeg4qpel.asm
index fe47bf302e..afbdf351c7 100644
--- a/libavcodec/x86/mpeg4qpel.asm
+++ b/libavcodec/x86/mpeg4qpel.asm
@@ -2,6 +2,7 @@
 ;* mpeg4 qpel
 ;* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
 ;* Copyright (c) 2008 Loren Merritt
+;* Copyright (c) 2013 Daniel Kang
 ;*
 ;* This file is part of FFmpeg.
 ;*