diff --git a/extra/colors/lab/lab.factor b/extra/colors/lab/lab.factor
index 28b599264c..abdc0660ac 100644
--- a/extra/colors/lab/lab.factor
+++ b/extra/colors/lab/lab.factor
@@ -1,3 +1,6 @@
+! Copyright (C) 2014 John Benediktsson
+! See http://factorcode.org/license.txt for BSD license
+
 USING: accessors colors colors.xyz colors.xyz.private kernel
 locals math math.functions ;