diff --git a/src/devices/cpu/m6502/deco16.cpp b/src/devices/cpu/m6502/deco16.cpp
index 87e5a256400..ae99a32418d 100644
--- a/src/devices/cpu/m6502/deco16.cpp
+++ b/src/devices/cpu/m6502/deco16.cpp
@@ -6,6 +6,9 @@
 
     6502, reverse-engineered DECO variant
 
+    Note that the "DECO CPU16" is not in fact a CPU in itself, but a custom
+    bus controller with protection features used with a standard 6502.
+
 ***************************************************************************/
 
 #include "emu.h"
diff --git a/src/mame/drivers/jade.cpp b/src/mame/drivers/jade.cpp
index 41e619fb7a6..bd19b73c93d 100644
--- a/src/mame/drivers/jade.cpp
+++ b/src/mame/drivers/jade.cpp
@@ -2,10 +2,8 @@
 // copyright-holders:Robbbert
 /***************************************************************************
 
-    Jade JGZ80 (with Serial Parallel Interrupt Controller)
-
-    Single board Z80 computer on a S100 card.
-    The SPIO board adds four CTCs, two SIOs and one PIO.
+    Single board Z80 computer on a S100 card (not the JGZ80).
+    The Jade SPIO board adds four CTCs, two SIOs and one PIO.
 
     2013-09-12 Skeleton driver.
 
@@ -91,12 +89,12 @@ MACHINE_CONFIG_START(jade_state::jade)
 MACHINE_CONFIG_END
 
 /* ROM definition */
-ROM_START( jgz80 )
+ROM_START( jade )
 	ROM_REGION( 0x800, "roms", 0 )
 	ROM_LOAD( "jgz80.rom",   0x0000, 0x0800, CRC(90c4a1ef) SHA1(8a93a11051cc27f3edca24f0f4297ebe0099964e) )
 ROM_END
 
 /* Driver */
 
-//    YEAR  NAME   PARENT  COMPAT  MACHINE  INPUT  CLASS       INIT        COMPANY                   FULLNAME  FLAGS
-COMP( 1983, jgz80, 0,      0,      jade,    jade,  jade_state, empty_init, "Jade Computer Products", "JGZ80",  MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )
+//    YEAR  NAME  PARENT  COMPAT  MACHINE  INPUT  CLASS       INIT        COMPANY                   FULLNAME                                                            FLAGS
+COMP( 1983, jade, 0,      0,      jade,    jade,  jade_state, empty_init, "Jade Computer Products", "unknown S-100 computer with Serial/Parallel/Interrupt Controller", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index da85947c156..595231286c8 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -15855,7 +15855,7 @@ jackie                          // (c) 1993 IGS
 jackpool                        // (c) 1997 Electronic Projects
 
 @source:jade.cpp
-jgz80                           // Jade JGZ-80
+jade                            //
 
 @source:jaguar.cpp
 a51mxr3k                        // ??           (c) 1998