diff --git a/src/mame/drivers/cdi.cpp b/src/mame/drivers/cdi.cpp
index 602cbb7660d..c843954db55 100644
--- a/src/mame/drivers/cdi.cpp
+++ b/src/mame/drivers/cdi.cpp
@@ -802,7 +802,7 @@ ROM_END
 
     MCU Notes:
     i8751 MCU dumps confirmed good on original hardware
-    German language MCUs dumped for Quizard 1 through 4 are dumped
+    German language MCUs for Quizard 1 through 4 are dumped
     Czechoslovakian language MCU for Quizard 4 is dumped
     Known to exist a Quizard 1 Italian language MCU IT 11 L2 (not dumped)
     Known to exist is an alternate Quizard 2 German language MCU DE 122 D3 (not dumped)
diff --git a/src/mame/drivers/vamphalf.cpp b/src/mame/drivers/vamphalf.cpp
index 61dd7388f0b..0d37129f1f4 100644
--- a/src/mame/drivers/vamphalf.cpp
+++ b/src/mame/drivers/vamphalf.cpp
@@ -1591,7 +1591,7 @@ ROM_END
 Jumping Break & Poosho Poosho
 F2 System, 1999
 
-sequel to "Die Break" from the Bestri 3 game collection (see crospang.c)
+sequel to "Die Break" from the Bestri 3 game collection (see crospang.cpp)
 
 F-E1-16-002
 +----------------------------------------------+
@@ -1681,7 +1681,7 @@ ROM_END
 New Cross Pang
 F2 System, 1999
 
-sequel to "Cross Pang" (see crospang.c)
+sequel to "Cross Pang" (see crospang.cpp)
 
 F-E1-16-002
 +----------------------------------------------+