diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/Pyr0_Piezo_Sensor_V2.x.x.cpp b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/Pyr0_Piezo_Sensor_V2.x.x.cpp
index d13015c..a398fcf 100644
--- a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/Pyr0_Piezo_Sensor_V2.x.x.cpp
+++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/src/Pyr0_Piezo_Sensor_V2.x.x.cpp
@@ -34,7 +34,9 @@ To set the below parameters using serial input, use the following:
 
 To change trigger active duration: TRG_D [integer for milliseconds]
 To change gain factor: GAIN_F [integer for gain state - see note*]
-To change ADC hysteresis value: HYST [integer]
+To change the output logic: LOGIC [0|1] (0 for active low, 1 for active high)
+To enable piezo plugged detection: PZDET [0|1] (0 for disabled, 1 for enabled)
+To change ADC hysteresis value: HYST [integer in millivolts]
 To change sensor input pullup vRef low threshold: VFOL [integer in millivolts]
 To change comparator trigger high threshold: VCOMP [integer in millivolts]
 To change the duration between ADC measurements: LOOP_D [integer in milliseconds]