Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r161a56481d1a194704b63a5fd55d4c5583fa94df -rd42ac7ac0eabedbb7b1c721a18419df3ed8cc9fb
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 161a56481d1a194704b63a5fd55d4c5583fa94df)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision d42ac7ac0eabedbb7b1c721a18419df3ed8cc9fb)
@@ -580,6 +580,7 @@
     // If user requests rinseback, go to rinseback
     else if ( TRUE == initiateRinsebackAlarmResponseRequest )
     {
+        // TODO - should we block rinseback request if no blood in line (i.e. already did a rinseback)?
         transitionToRinseback();
         result = TREATMENT_RINSEBACK_STATE;
     }