Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r78c03fb021407eaf8d17dd0f74f6969443b397ce -r30f049651877229042e3f8700c8596e5b9a1e0f4
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 78c03fb021407eaf8d17dd0f74f6969443b397ce)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 30f049651877229042e3f8700c8596e5b9a1e0f4)
@@ -57,9 +57,9 @@
 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.
 
-// state machine states
+// State machine states
 static TREATMENT_RESERVOIR_MGMT_STATE_T currentTrtResMgmtState = TREATMENT_RESERVOIR_MGMT_START_STATE;   ///< Current state of treatment mode reservoir management.
-static U32 resMgmtTimer = 0;                                    ///< used for keeping state time.
+static U32 resMgmtTimer = 0;                                    ///< Used for keeping state time.
 
 // DG sensor data
 static F32 dgPressures[ NUM_OF_DG_PRESSURE_SENSORS ];           ///< Latest pressures reported by the DG.
@@ -82,7 +82,7 @@
 static U32 dgReservoirFillVolumeTargetSet = 0;                  ///< Fill-to volume commanded.
 static U32 dgReservoirDrainVolumeTarget = 0;                    ///< Latest drain-to volume reported by the DG.
 static U32 dgReservoirDrainVolumeTargetSet = 0;                 ///< Drain-to volume commanded.
-static U32 resUseTimer = 0;                                     ///< used to track time pumping from active reservoir (for volume used calculation).
+static U32 resUseTimer = 0;                                     ///< Used to track time pumping from active reservoir (for volume used calculation).
 static F32 resUseVolumeMl = 0.0;                                ///< Accumulated volume used from active reservoir.
 static BOOL resHasBeenTared[ NUM_OF_DG_RESERVOIRS ];            ///< Flags indicate whether the reservoir has been tared for this treatment.
 
@@ -175,7 +175,7 @@
     }
     resUseTimer = getMSTimerCount();
 
-    // treatment reservoir mgmt. state machine
+    // Treatment reservoir mgmt. state machine
     switch ( currentTrtResMgmtState )
     {
         case TREATMENT_RESERVOIR_MGMT_START_STATE:
@@ -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've paused treatment?
             if ( getTreatmentState() == TREATMENT_DIALYSIS_STATE )
             {
                 if ( DG_MODE_CIRC == dgOpMode )
@@ -246,21 +246,21 @@
 
         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've pumped fill volume through dialyzer) and DG ready
             if ( ( DG_MODE_CIRC == getDGOpMode() ) && ( DG_RECIRCULATE_MODE_STATE_RECIRC_WATER == getDGSubMode() ) &&
                   ( resUseVolumeMl >= (F32)dgReservoirFillVolumeTargetSet ) )
             {
                 DG_RESERVOIR_ID_T activeRes = dgActiveReservoirSet;
                 DG_RESERVOIR_ID_T inactiveRes = ( activeRes == DG_RESERVOIR_1 ? DG_RESERVOIR_2 : DG_RESERVOIR_1 );
 
-                // signal dialysis sub-mode to capture baseline volume for next reservoir.
+                // Signal dialysis sub-mode to capture baseline volume for next reservoir.
                 setStartReservoirVolume();
                 // Command DG to switch reservoirs
                 cmdSetDGActiveReservoir( inactiveRes );
-                // signal dialysis sub-mode to switch reservoirs
+                // Signal dialysis sub-mode to switch reservoirs
                 signalReservoirsSwitched();
                 resUseVolumeMl = 0.0;
-                // wait for used reservoir to settle
+                // Wait for used reservoir to settle
                 resMgmtTimer = getMSTimerCount();
                 currentTrtResMgmtState = TREATMENT_RESERVOIR_MGMT_WAIT_FOR_SWITCH_SETTLE_STATE;
             }
@@ -269,7 +269,7 @@
         case TREATMENT_RESERVOIR_MGMT_WAIT_FOR_SWITCH_SETTLE_STATE:
             if ( TRUE == didTimeout( resMgmtTimer, RESERVOIR_SETTLE_TIME_MS ) )
             {
-                // signal dialysis sub-mode to capture final volume of prior reservoir after settling.
+                // Signal dialysis sub-mode to capture final volume of prior reservoir after settling.
                 setFinalReservoirVolume();
                 // Reset to start state to restart drain, fill, switch process.
                 currentTrtResMgmtState = TREATMENT_RESERVOIR_MGMT_START_STATE;