Index: firmware/App/HDCommon.h
===================================================================
diff -u -r6e705c755f1004c7e0982782b7cb578548cb525c -r43b787035c0bced47c483e95ed0be21914dcac0f
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 6e705c755f1004c7e0982782b7cb578548cb525c)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 43b787035c0bced47c483e95ed0be21914dcac0f)
@@ -58,59 +58,59 @@
 /// Payload record structure for an HD versions message.
 typedef struct
 {
-    U08 major;
-    U08 minor;
-    U08 micro;
-    U16 build;
-    U08 fpgaId;
-    U08 fpgaMajor;
-    U08 fpgaMinor;
-    U08 fpgaLab;
-    U32 compatibilityRev;
+    U08 major;                              ///< HD version major revision.
+    U08 minor;                              ///< HD version minor revision.
+    U08 micro;                              ///< HD version micro revision.
+    U16 build;                              ///< HD build version.
+    U08 fpgaId;                             ///< HD FPGA ID.
+    U08 fpgaMajor;                          ///< HD FPGA major revision.
+    U08 fpgaMinor;                          ///< HD FPGA minor revision.
+    U08 fpgaLab;                            ///< HD FPGA lab revision.
+    U32 compatibilityRev;                   ///< HD compatibility revision.
 } HD_VERSIONS_T;
 
 /// DG version struct.
 typedef struct
 {
-    U08 major;                              ///< DG version major revision
-    U08 minor;                              ///< DG version major revision
-    U08 micro;                              ///< DG version micro revision
-    U16 build;                              ///< DG build version
-    U08 fpgaId;                             ///< DG FPGA ID
-    U08 fpgaMajor;                          ///< DG FPGA major revision
-    U08 fpgaMinor;                          ///< DG FPGA minor revision
-    U08 fpgaLab;                            ///< DG FPGA lab revision
-    U32 compatibilityRev;                   ///< DG compatibility revision
+    U08 major;                              ///< DG version major revision.
+    U08 minor;                              ///< DG version major revision.
+    U08 micro;                              ///< DG version micro revision.
+    U16 build;                              ///< DG build version.
+    U08 fpgaId;                             ///< DG FPGA ID.
+    U08 fpgaMajor;                          ///< DG FPGA major revision.
+    U08 fpgaMinor;                          ///< DG FPGA minor revision.
+    U08 fpgaLab;                            ///< DG FPGA lab revision.
+    U32 compatibilityRev;                   ///< DG compatibility revision.
 } DG_VERSIONS_T;
 
 /// Record defining the fields in a UI version request message.
 typedef struct
 {
-    U08 major;                              ///< Major version for UI software
-    U08 minor;                              ///< Minor version for UI software
-    U08 micro;                              ///< Micro version for UI software
-    U16 build;                              ///< Build number for UI software
-    U32 compatibility;                      ///< Compatibility revision
+    U08 major;                              ///< Major version for UI software.
+    U08 minor;                              ///< Minor version for UI software.
+    U08 micro;                              ///< Micro version for UI software.
+    U16 build;                              ///< Build number for UI software.
+    U32 compatibility;                      ///< Compatibility revision.
 } UI_VERSIONS_T;
 
 /// Payload record structure for a peristaltic pump data message.
 typedef struct
 {
-    U32 setPoint;
-    F32 measFlow;
-    F32 measRotorSpd;
-    F32 measPumpSpd;
-    F32 measMCSpd;
-    F32 measMCCurr;
-    F32 pwmDC;
+    U32 setPoint;                           ///< Set point.
+    F32 measFlow;                           ///< Measured flow in mL/min.
+    F32 measRotorSpd;                       ///< Measured rotor speed in RPM.
+    F32 measPumpSpd;                        ///< Measured pump speed in RPM.
+    F32 measMCSpd;                          ///< Measured motor speed in RPM.
+    F32 measMCCurr;                         ///< Measured motor current in Amps.
+    F32 pwmDC;                              ///< Duty cycle.
 } PERISTALTIC_PUMP_STATUS_PAYLOAD_T;
 
 /// Payload record structure for a pump set point override message.
 typedef struct
 {
-    BOOL reset;
-    S32 setPt;
-    U32 ctrlMode;
+    BOOL reset;                             ///< Reset.
+    S32 setPt;                              ///< Set point.
+    U32 ctrlMode;                           ///< Control mode.
 } OVERRIDE_PUMP_SET_PT_PAYLOAD_T;
 
 #pragma pack(pop)