Index: firmware/App/Controllers/DialysatePumps.c
===================================================================
diff -u -rb4e581d847579ffd65e15822b67def7f64212481 -rc400845083cc6fc90f70f308ae953e05b45acbf8
--- firmware/App/Controllers/DialysatePumps.c	(.../DialysatePumps.c)	(revision b4e581d847579ffd65e15822b67def7f64212481)
+++ firmware/App/Controllers/DialysatePumps.c	(.../DialysatePumps.c)	(revision c400845083cc6fc90f70f308ae953e05b45acbf8)
@@ -66,7 +66,7 @@
 #define SPENT_DIAL_OPEN_LOOP_SPEED_RPM                      2500.0F                                                 ///< spent dialysate pump open loop speed to meet target pressure.
 #define DIALYSATE_PUMP_SPEED_ZERO_RPM                       0                                                       ///< Dialysate pump zero RPM speed.
 #define SPEED_COUNT_ZERO                                    0                                                       ///< Measured speed count zero check.
-#define SPEED_CONV_FACTOR                                   1500000                                                 ///< Measured speed count conversion to RPM
+#define SPEED_CONV_FACTOR                                   1500000                                                 ///< Measured speed count conversion to RPM ( in 10us resolution ).
 
 #define D12_PUMP_P_COEFFICIENT                              20.0F                                                   ///< P term for fresh dialysate pump delta pressure control.
 #define D12_PUMP_I_COEFFICIENT                              60.0F                                                   ///< I term for fresh dialysate pump delta pressure control.