diff --git a/Makefile b/Makefile
index ff3c4fb..e839291 100644
--- a/Makefile
+++ b/Makefile
@@ -53,3 +53,6 @@ bin:  $(PRG).bin
 prg: $(PRG).bin
 	python2 megaHidProg.py -C -c 1000 -t 4 -b $(PRG).bin 
 
+setfuses:
+	python2 megaHidProg.py -C -S -c 125 -L be -H d9 -E FC
+
diff --git a/rtc.c b/rtc.c
index 5076b81..19881de 100644
--- a/rtc.c
+++ b/rtc.c
@@ -22,6 +22,11 @@ ISR(TIMER2_OVF_vect) {
   return;
 }
 
+/*
+ * initialize the RTC module
+ * this resets the internal time to the value given in the 
+ * rtc_time parameter
+ */
 void rtc_init(uint32_t rtc_time)
 {
   // Stop all interrupts