Index: firmware/App/Controllers/SyringePump.c
===================================================================
diff -u -r6cd6054a5e170246f94a48b3623d277bba3928d5 -rfeb0cd09c472099121146674f89fe88c1445c4d0
--- firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 6cd6054a5e170246f94a48b3623d277bba3928d5)
+++ firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision feb0cd09c472099121146674f89fe88c1445c4d0)
@@ -93,7 +93,7 @@
 
 /// Expected position of empty in relation to home position.
 #define SYRINGE_PUMP_EMPTY_POS                        ( SYRINGE_ENCODER_COUNTS_PER_ML * 11.0F )
-/// Margin of error for empty position determination.
+/// Over-travel (past empty) allowance for alarm.
 #define SYRINGE_PUMP_EMPTY_POS_MARGIN                 ( SYRINGE_ENCODER_COUNTS_PER_ML * 0.5F )
 /// Minimum retract position.
 #define SYRINGE_PUMP_RETRACT_POS_MIN                  ( SYRINGE_ENCODER_COUNTS_PER_ML * -0.5F )