diff --git a/src/mame/drivers/zwackery.cpp b/src/mame/drivers/zwackery.cpp
index 4a3d127582d..efb42e78cd7 100644
--- a/src/mame/drivers/zwackery.cpp
+++ b/src/mame/drivers/zwackery.cpp
@@ -1,4 +1,4 @@
-// license: BSD-3-Clause
+// license: BSD-3-Clause
 // copyright-holders: Aaron Giles, Bryan McPhail
 /***************************************************************************