Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r766708fceb0bdf1af8c7897df29d4f5036bfd3db -r9df8ab7b66946cb653f804c8191613cefafc4d57
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 766708fceb0bdf1af8c7897df29d4f5036bfd3db)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 9df8ab7b66946cb653f804c8191613cefafc4d57)
@@ -84,12 +84,12 @@
 // Load cell filtering data
 /// Holds load cell samples for small load cell moving average
 static F32 smLoadCellReadings[ NUM_OF_DG_RESERVOIRS ][ SIZE_OF_SMALL_LOAD_CELL_AVG ];
-static U32 smLoadCellReadingsIdx = 0;                               ///< index for next sample in small load cell rolling average sample array
-static F32 smLoadCellReadingsTotal[ NUM_OF_DG_RESERVOIRS ];         ///< rolling total - used to calc small load cell moving average
+static U32 smLoadCellReadingsIdx = 0;                               ///< Index for next sample in small load cell rolling average sample array.
+static F32 smLoadCellReadingsTotal[ NUM_OF_DG_RESERVOIRS ];         ///< Rolling total - used to calc small load cell moving average.
 /// Holds load cell samples for large load cell moving average
 static F32 lgLoadCellReadings[ NUM_OF_DG_RESERVOIRS ][ SIZE_OF_LARGE_LOAD_CELL_AVG ];
-static U32 lgLoadCellReadingsIdx = 0;                               ///< index for next sample in large load cell rolling average sample array
-static F32 lgLoadCellReadingsTotal[ NUM_OF_DG_RESERVOIRS ];         ///< rolling total - used to calc large load cell moving average
+static U32 lgLoadCellReadingsIdx = 0;                               ///< Index for next sample in large load cell rolling average sample array.
+static F32 lgLoadCellReadingsTotal[ NUM_OF_DG_RESERVOIRS ];         ///< Rolling total - used to calc large load cell moving average.
 
 // DG pumps data
 static F32 dgROPumpFlowRateMlMin = 0.0;                             ///< Latest RO water flow rate reported by the DG.
Index: firmware/App/Modes/BloodPrime.c
===================================================================
diff -u -rf4199248340b66e66abbe99599d5d30ce980ea5f -r9df8ab7b66946cb653f804c8191613cefafc4d57
--- firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision f4199248340b66e66abbe99599d5d30ce980ea5f)
+++ firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 9df8ab7b66946cb653f804c8191613cefafc4d57)
@@ -35,7 +35,8 @@
 
 // ********** private definitiions ***********
 
-#define TARGET_BLOOD_PRIME_VOLUME_ML               300.0                    ///< Target blood prime volume to prime the blood side circuit (in mL).  TODO - get from Systems when available
+// TODO - get from Systems when available
+#define TARGET_BLOOD_PRIME_VOLUME_ML               300.0                    ///< Target blood prime volume to prime the blood side circuit (in mL).
 #define MIN_RAMP_TIME_SEC                          60                       ///< Minimum ramp time for blood prime (in seconds).
 /// Maximum blood prime volume measured by independent means (as % of target).
 static const F32 MAX_BLOOD_PRIME_SAFETY_VOLUME_ML = ( TARGET_BLOOD_PRIME_VOLUME_ML * 1.2 );
Index: firmware/App/Modes/Dialysis.h
===================================================================
diff -u -rf4199248340b66e66abbe99599d5d30ce980ea5f -r9df8ab7b66946cb653f804c8191613cefafc4d57
--- firmware/App/Modes/Dialysis.h	(.../Dialysis.h)	(revision f4199248340b66e66abbe99599d5d30ce980ea5f)
+++ firmware/App/Modes/Dialysis.h	(.../Dialysis.h)	(revision 9df8ab7b66946cb653f804c8191613cefafc4d57)
@@ -23,7 +23,11 @@
 
 /**
  *  @defgroup Dialysis Dialysis
- *  @brief Dialysis sub-mode of treatment mode.
+ *  @brief Dialysis sub-mode of treatment mode.  The dialysis sub-mode is where
+ *  dialysis and (optionally) ultrafiltration are being provided by the system.
+ *  Heparin is added to the blood when appropriate.  A saline bolus may be requested
+ *  by the user; however, dialysis and ultrafiltration would not be provided during
+ *  a saline bolus.
  *
  *  @addtogroup Dialysis
  *  @{