diff --git a/src/mame/arcade.lst b/src/mame/arcade.lst
index 59e91a66623..6abd96d7e1e 100644
--- a/src/mame/arcade.lst
+++ b/src/mame/arcade.lst
@@ -8694,7 +8694,7 @@ stdragon        // (c) 1989
 stdragona       // (c) 1989
 rodland         // (c) 1990
 rodlandj        // (c) 1990 (Japan)
-rittam		// (c) 1990 (Prototype)
+rittam		// Prototype or hack of Rod-Land
 rodlandjb       // bootleg
 avspirit        // (c) 1991
 phantasm        // (c) 1991 (Japan)