diff --git a/src/mess/drivers/cat.c b/src/mess/drivers/cat.c
index 58ceec3b2b1..e6a027e3961 100644
--- a/src/mess/drivers/cat.c
+++ b/src/mess/drivers/cat.c
@@ -1,3 +1,5 @@
+// license:mame|lgplv2.1+
+// copyright-holders:Miodrag Milanovic,Jonathan Gevaryahu
 /***************************************************************************
 
     Canon Cat, Model V777