diff --git a/flash.sh b/flash.sh
index dd9b891..526b685 100644
--- a/flash.sh
+++ b/flash.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 
-# hold reset button while pluggin your MCU 
-# into USB to enter bootloader mode
+# hold reset button while pluggin your Leonardo ATmega32U4 
+# into USB until 3 yellow lights flash
+# to enter bootloader mode
+
+avrdude -p m32u4 -c avr109 -P /dev/ttyACM0 -U flash:w:./I2CUSB.hex 
 
-avrdude -p m32u4 -c avr109 -P /dev/ttyACM0 -U flash:w:/path/to/your/firmware.hex