diff --git a/src/mame/drivers/zorba.cpp b/src/mame/drivers/zorba.cpp
index f58f5f273b7..e0a3b1a3d33 100644
--- a/src/mame/drivers/zorba.cpp
+++ b/src/mame/drivers/zorba.cpp
@@ -46,7 +46,7 @@ ToDo:
 - Dump Telcon and Gemini BIOSes
 - Emulate the Co-Power-88 expansion (allows PC-DOS, CP/M-86, etc. to be used)
 - Probably lots of other things
-- Press F3 and screen turns into garbage
+- Press F3 and screen turns into garbage. This breakage started in the 0.198 to 0.199 cycle.
 
 
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