diff --git a/libavcodec/x86/h264_deblock_sse2.asm b/libavcodec/x86/h264_deblock_sse2.asm
index d59de919be..a27c4df538 100644
--- a/libavcodec/x86/h264_deblock_sse2.asm
+++ b/libavcodec/x86/h264_deblock_sse2.asm
@@ -1,5 +1,5 @@
 ;*****************************************************************************
-;* deblock-a.asm: h264 encoder library
+;* MMX/SSE2-optimized H.264 deblocking code
 ;*****************************************************************************
 ;* Copyright (C) 2005-2008 x264 project
 ;*
diff --git a/libavcodec/x86/h264_idct_sse2.asm b/libavcodec/x86/h264_idct_sse2.asm
index a46cd975de..10b1342f75 100644
--- a/libavcodec/x86/h264_idct_sse2.asm
+++ b/libavcodec/x86/h264_idct_sse2.asm
@@ -1,5 +1,5 @@
 ;*****************************************************************************
-;* dct-a.asm: h264 encoder library
+;* SSE2-optimized H.264 iDCT
 ;*****************************************************************************
 ;* Copyright (C) 2003-2008 x264 project
 ;*