Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r12ae81f766052993995d323456fa4c746cf4ee75 -r47a7da55aea88cd7a2b06870226122d0cc8be540
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 12ae81f766052993995d323456fa4c746cf4ee75)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 47a7da55aea88cd7a2b06870226122d0cc8be540)
@@ -79,7 +79,7 @@
 BOOL sendChangeTreatmentDurationResponse( BOOL accepted, U32 reason, U32 time_min, F32 volume_mL );
 
 // MSG_ID_TREATMENT_PARAM_CHANGE_RANGES
-BOOL sendTreatmentParamsRangesToUI( U32 minTime, U32 maxTime, U32 minUFVol, U32 maxUFVol, U32 minDialRate, U32 maxDialRate );
+BOOL sendTreatmentParamsRangesToUI( U32 minTime, U32 maxTime, F32 minUFVol, F32 maxUFVol, U32 minDialRate, U32 maxDialRate );
 
 // MSG_ID_USER_BLOOD_DIAL_RATE_CHANGE_REQUEST
 void handleChangeBloodDialysateRateChangeRequest( MESSAGE_T *message );