diff --git a/source/Windows/AppleWin.cpp b/source/Windows/AppleWin.cpp
index 8889e058..ddbd22a3 100644
--- a/source/Windows/AppleWin.cpp
+++ b/source/Windows/AppleWin.cpp
@@ -772,6 +772,7 @@ static void RepeatInitialization(void)
 
 		if (g_cmdLine.slotInsert[SLOT3] != CT_Empty)
 		{
+			// NB. Only support Saturn in slot 3, otherwise there's more Config UI to change
 			if (g_cmdLine.slotInsert[SLOT3] == CT_VidHD || g_cmdLine.slotInsert[SLOT3] == CT_Saturn128K)	// For now just support VidHD and Saturn128 in slot 3)
 				GetCardMgr().Insert(SLOT3, g_cmdLine.slotInsert[SLOT3]);
 		}