diff --git a/src/mame/video/slapfght.c b/src/mame/video/slapfght.c
index e831e194714..2ea69ff161a 100644
--- a/src/mame/video/slapfght.c
+++ b/src/mame/video/slapfght.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holder:Keith Wilkins
+// copyright-holders:Keith Wilkins
 /***************************************************************************
 
   Toaplan Slap Fight hardware