diff --git a/src/mame/drivers/clickstart.cpp b/src/mame/drivers/clickstart.cpp
index 69d1fb1235e..d880e901af7 100644
--- a/src/mame/drivers/clickstart.cpp
+++ b/src/mame/drivers/clickstart.cpp
@@ -4,8 +4,9 @@
 
     Leapfrog Clickstart Emulation
 
-        die markings show
-        "SunPlus QL8041C" ( known as Sunplus SPG2?? )
+        Die markings show "SunPlus QL8041C" ( known as Sunplus SPG2?? )
+	The keyboard has a "SunPlus PU6583" MCU under a glob, and the 
+	 mouse optical sensor is a N2163, probably from Agilent.
 
     Status: