diff --git a/simd/jcgrymmx.asm b/simd/jcgrymmx.asm
index 93d09362..481a6196 100644
--- a/simd/jcgrymmx.asm
+++ b/simd/jcgrymmx.asm
@@ -1,5 +1,5 @@
 ;
-; jcclrmmx.asm - grayscale colorspace conversion (MMX)
+; jcgrymmx.asm - grayscale colorspace conversion (MMX)
 ;
 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
 ; Copyright 2011 D. R. Commander