diff -r 7c1dacafed03 -r 043ae27633f8 main/config.h
--- a/main/config.h	Mon Nov 04 19:35:05 2019 +0100
+++ b/main/config.h	Tue Nov 05 11:31:59 2019 +0100
@@ -58,6 +58,7 @@
 #include "task_adc.h"
 #include "task_wifi.h"
 #include "task_mqtt.h"
+#include "task_user.h"
 #include "xutil.h"
 
 
@@ -180,7 +181,7 @@
     int			pressure_state;			///< Reading status
     uint8_t		pressure_channel;		///< ADC channel
     uint32_t		pressure_voltage;		///< Measured voltage in mV.
-    uint32_t		pressure_zero;			///< Zero offset in mV.
+    uint32_t		pressure_zero;			///< Zero offset promille of the full scale.
     uint32_t		pressure;			///< Pressure in bar * 1000;
     int			mode;				///< Unit mode
     uint32_t		alarm;				///< Alarm bits