Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r30f049651877229042e3f8700c8596e5b9a1e0f4 -ra2bc96881a5fc3d8f779246b2abebf15a8de9384
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 30f049651877229042e3f8700c8596e5b9a1e0f4)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision a2bc96881a5fc3d8f779246b2abebf15a8de9384)
@@ -53,9 +53,9 @@
 // DG status
 static DG_OP_MODE_T dgCurrentOpMode = DG_MODE_INIT;             ///< Current DG operation mode.
 static U32 dgSubMode = 0;                                       ///< Current state (sub-mode) of current DG operation mode.
-static BOOL dgStarted = FALSE;                                  ///< Flag indicates whether we've commanded the DG to start or stop.
-static BOOL dgTrimmerHeaterOn = FALSE;                          ///< Flag indicates whether we've commanded the DG to start or stop the trimmer heater.
-static BOOL dgWaterSampled = FALSE;                             ///< Flag indicates whether we've commanded the DG to sample water.
+static BOOL dgStarted = FALSE;                                  ///< Flag indicates whether we have commanded the DG to start or stop.
+static BOOL dgTrimmerHeaterOn = FALSE;                          ///< Flag indicates whether we have commanded the DG to start or stop the trimmer heater.
+static BOOL dgWaterSampled = FALSE;                             ///< Flag indicates whether we have commanded the DG to sample water.
 
 // State machine states
 static TREATMENT_RESERVOIR_MGMT_STATE_T currentTrtResMgmtState = TREATMENT_RESERVOIR_MGMT_START_STATE;   ///< Current state of treatment mode reservoir management.
@@ -208,7 +208,7 @@
             break;
 
         case TREATMENT_RESERVOIR_MGMT_WAIT_TO_FILL_STATE:
-            // Delay fill start if we've paused treatment?
+            // Delay fill start if we have paused treatment?
             if ( getTreatmentState() == TREATMENT_DIALYSIS_STATE )
             {
                 if ( DG_MODE_CIRC == dgOpMode )
@@ -246,7 +246,7 @@
 
         case TREATMENT_RESERVOIR_MGMT_WAIT_FOR_RES_SWITCH_STATE:
             // Reservoir switch during treatment should only occur in this state (i.e. when DG is ready).
-            // Switch reservoirs when active reservoir is spent (i.e. we've pumped fill volume through dialyzer) and DG ready
+            // Switch reservoirs when active reservoir is spent (i.e. we have pumped fill volume through dialyzer) and DG ready
             if ( ( DG_MODE_CIRC == getDGOpMode() ) && ( DG_RECIRCULATE_MODE_STATE_RECIRC_WATER == getDGSubMode() ) &&
                   ( resUseVolumeMl >= (F32)dgReservoirFillVolumeTargetSet ) )
             {