diff --git a/libavcodec/i386/vp3dsp_mmx.h b/libavcodec/i386/vp3dsp_mmx.h
index 99c81c54b7..b1339434ab 100644
--- a/libavcodec/i386/vp3dsp_mmx.h
+++ b/libavcodec/i386/vp3dsp_mmx.h
@@ -1,5 +1,5 @@
 /*
- * vp3dsp mmx functions declarations
+ * vp3dsp MMX function declarations
  * Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
  *
  * This file is part of FFmpeg.
diff --git a/libavcodec/i386/vp3dsp_sse2.h b/libavcodec/i386/vp3dsp_sse2.h
index db5b81553e..743c20fdb1 100644
--- a/libavcodec/i386/vp3dsp_sse2.h
+++ b/libavcodec/i386/vp3dsp_sse2.h
@@ -1,5 +1,5 @@
 /*
- * vp3dsp sse2 functions declarations
+ * vp3dsp SSE2 function declarations
  * Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
  *
  * This file is part of FFmpeg.