diff --git a/Makefile b/Makefile
index e081825..6c37a75 100644
--- a/Makefile
+++ b/Makefile
@@ -7,15 +7,20 @@ SERIALDEV = /dev/ttyUSB0
 #MCUDEFS = -DF_CPU=16000000UL -DAAIO_MEGA2560
 #PROG_PARAMS = -c wiring -P $(SERIALDEV) -D
 
-#MCU = atmega328p
-#MCUSHORT = m328p
-#MCUDEFS = -DF_CPU=8000000UL -DAAIO_NANO
-#PROG_PARAMS = -c wiring -P $(SERIALDEV) -D
+#MCU = atmega328pb
+#MCUSHORT = m328pb
+#MCUDEFS = -DF_CPU=16000000UL -DAAIO_NANO
+#PROG_PARAMS = -c arduino -P $(SERIALDEV) -D
 
 MCU = atmega168pa
 MCUSHORT = m168pa
 MCUDEFS = -DF_CPU=16000000UL -DAAIO_NANO
-PROG_PARAMS = -c urclock -P $(SERIALDEV) -D
+PROG_PARAMS = -c arduino -P $(SERIALDEV) -D
+
+#if you use urboot
+#PROG_PARAMS = -c urclock -P $(SERIALDEV) -D
+
+# if you use a hardware USB programmer
 #PROG_PARAMS = -c usbasp
 
 SUDOCMD = doas