diff --git a/src/mame/arcade.lst b/src/mame/arcade.lst
index 6dc98e89e4c..40e9bb8baed 100644
--- a/src/mame/arcade.lst
+++ b/src/mame/arcade.lst
@@ -4844,7 +4844,7 @@ quizmeku        // 1993.05 Quiz Mekurumeku Story (Japan)
 mahmajn2        // 1994.05 Tokorosan no Mahmahjong 2 (Japan)
 qgh             // 1994.09 Quiz Ghost Hunter
 
-// M! board
+// M1 board
 bingpty			// ?
 
 // Sega System 32 games