diff --git a/README.md b/README.md
index 83d8328..7b513fe 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Power Max485 with 5V and GND connected to the Arduino.
 
 Flash the code onto the Arduino, connect A&B of the smart cable connected to the controller(aka the black and red wires respectively) to the Max485.
 
-Viewing the USB serial of the Arduino, send 0xAB-like hex sequences to update the configured state.
+Viewing the USB serial of the Arduino, send 0xAB01234567-like hex sequences to update the configured state to 0xAB and the timer to 0x01234567. Note that 0xC9 should be sent with the timer before starting a state.
 
 # Info