diff --git a/common/jpeg/jquant2.c b/common/jpeg/jquant2.c
index 9ce3ff3..da964f7 100644
--- a/common/jpeg/jquant2.c
+++ b/common/jpeg/jquant2.c
@@ -2,6 +2,7 @@
  * jquant2.c
  *
  * Copyright (C) 1991-1996, Thomas G. Lane.
+ * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *