Index: firmware/App/Controllers/SyringePump.h
===================================================================
diff -u -rec4abf209e338090e861defd54e38b692d85e2b1 -r6872cd9877a06d2246640b57444b857c6935b677
--- firmware/App/Controllers/SyringePump.h	(.../SyringePump.h)	(revision ec4abf209e338090e861defd54e38b692d85e2b1)
+++ firmware/App/Controllers/SyringePump.h	(.../SyringePump.h)	(revision 6872cd9877a06d2246640b57444b857c6935b677)
@@ -38,13 +38,13 @@
 /// Enumeration of syringe pump operations.
 typedef enum SyringePumpOperations
 {
-    SYRINGE_PUMP_OP_STOP = 0,
-    SYRINGE_PUMP_OP_RETRACT = 1,
-    SYRINGE_PUMP_OP_SEEK = 2,
-    SYRINGE_PUMP_OP_PRIME = 3,
-    SYRINGE_PUMP_OP_BOLUS = 4,
-    SYRINGE_PUMP_OP_CONTINUOUS = 5,
-    NUM_OF_SYRINGE_PUMP_OPS
+    SYRINGE_PUMP_OP_STOP = 0,                       ///< Syringe pump stopped - no operation.
+    SYRINGE_PUMP_OP_RETRACT = 1,                    ///< Syringe pump retract operation.  Retract to home postion.
+    SYRINGE_PUMP_OP_SEEK = 2,                       ///< Syringe pump seek operation.  Seek syringe plunger.
+    SYRINGE_PUMP_OP_PRIME = 3,                      ///< Syringe pump prime operation.  Prime Heparin line.
+    SYRINGE_PUMP_OP_BOLUS = 4,                      ///< Syringe pump bolus operation.  Deliver bolus volume of Heparin.
+    SYRINGE_PUMP_OP_CONTINUOUS = 5,                 ///< Syringe pump continuous dispense operation.  Deliver Heparin at set rate.
+    NUM_OF_SYRINGE_PUMP_OPS = 6                     ///< Number of syringe pump operation.
 } SYRINGE_PUMP_OPERATION_T;
 
 /// Payload record structure for the syringe pump operation request message.