diff --git a/src/mame/drivers/meritm.c b/src/mame/drivers/meritm.c
index 94c63539016..86130614715 100644
--- a/src/mame/drivers/meritm.c
+++ b/src/mame/drivers/meritm.c
@@ -31,6 +31,7 @@
   CRT 250:
   Pit Boss II (c)1988
   Super Pit Boss (c)1988
+  * Dodge City (c) 1989
   Pit Boss Superstar (c)1990
   *Pit Boss Superstar 30 (c)1993
   *Pit Boss Superstar III 30 (c)1993?
@@ -52,6 +53,7 @@
   *Megatouch 7 Encore (c)2000
 
   * indicates that game needs to be dumped or redumped
+    Dodge City: 9131-02 (U9 through U11)
 
 Custom Program Versions (from different Megatouch manuals):
 
diff --git a/src/mame/drivers/midvunit.c b/src/mame/drivers/midvunit.c
index c0578c5fa8d..495eb9d1e3a 100644
--- a/src/mame/drivers/midvunit.c
+++ b/src/mame/drivers/midvunit.c
@@ -20,6 +20,9 @@
            Listen for Tone  ERROR E1 (during boot diag)
            All sets report as Game Type: 452 (12/11/1995) [which is wrong for newer sets]
 
+Known to exist but not dumped:
+    Off Road Challenge v1.00 (MON 07-28-97)
+
 **************************************************************************/
 
 #include "emu.h"