diff --git a/main.c b/main.c
index 49cbc65..0fbbf3e 100644
--- a/main.c
+++ b/main.c
@@ -2,7 +2,7 @@
  * Title:			AGON MOS
  * Author:			Dean Belfield
  * Created:			19/06/2022
- * Last Updated:	03/08/2023
+ * Last Updated:	27/08/2023
  *
  * Modinfo:
  * 11/07/2022:		Version 0.01: Tweaks for Agon Light, Command Line code added
@@ -24,7 +24,8 @@
  * 								+ Improved ESP32->eZ80 boot sync
  * 29/03/2023:				RC3 + Added UART1 initialisation, tweaked startup sequence timings
  * 16/05/2023:		Version 1.04: Fixed MASTERCLOCK value in uart.h, added startup beep
- * 03/08/2023:					+ Enhanced low-level keyboard functionality
+ * 03/08/2023:				RC2	+ Enhanced low-level keyboard functionality
+ * 27/09/2023:					+ Updated RTC
  */
 
 #include <eZ80.h>
@@ -44,7 +45,7 @@
 
 #define		MOS_version		1
 #define		MOS_revision 	4
-#define		MOS_rc			1
+#define		MOS_rc			2
 
 extern void *	set_vector(unsigned int vector, void(*handler)(void));