diff --git a/libavcodec/x86/vp9mc.asm b/libavcodec/x86/vp9mc.asm
index 9152ba541b..ad7570b904 100644
--- a/libavcodec/x86/vp9mc.asm
+++ b/libavcodec/x86/vp9mc.asm
@@ -1,5 +1,5 @@
 ;******************************************************************************
-;* VP9 MC SIMD optimizations
+;* VP9 motion compensation SIMD optimizations
 ;*
 ;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
 ;*