Index: firmware/App/Drivers/ConductivitySensors.h
===================================================================
diff -u -re2e51b0219db0132cebb6f65f3dbd803e1f01e30 -rb6d20d9e5c704a9f7ebceea9bb12731dac61fc2a
--- firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision e2e51b0219db0132cebb6f65f3dbd803e1f01e30)
+++ firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision b6d20d9e5c704a9f7ebceea9bb12731dac61fc2a)
@@ -40,10 +40,10 @@
 /// Enumeration of conductivity sensors.
 typedef enum ConductivitySensors
 {
-    CONDUCTIVITYSENSORS_CD1_SENSOR = 0,                   ///< Inlet water conductivity sensor
-    CONDUCTIVITYSENSORS_CD2_SENSOR,                       ///< Outlet water conductivity sensor
-    CONDUCTIVITYSENSORS_CD3_SENSOR,                       ///< Post-acid concentrate conductivity sensor
-    CONDUCTIVITYSENSORS_CD4_SENSOR,                       ///< Post-bicarbonate concentrate conductivity sensor
+    CONDUCTIVITYSENSORS_CD1_SENSOR = 0,                   ///< Bicarb only conductivity sensor
+    CONDUCTIVITYSENSORS_CD2_SENSOR,                       ///< Acid and Bicarb mix conductivity sensor - 1
+    CONDUCTIVITYSENSORS_CD3_SENSOR,                       ///< Acid and Bicarb mix conductivity sensor - 2
+    CONDUCTIVITYSENSORS_CD4_SENSOR,                       ///< Spent dialysate conductivity sensor
     NUM_OF_CONDUCTIVITY_SENSORS                           ///< Number of conductivity sensors
 } CONDUCTIVITY_SENSORS_T;