Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -rf10c653a13f97ae3d220e16f7ff1a9558606b56a -r5f1388ca0f6672b9ab90eef649de8dc921c9beb2
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision f10c653a13f97ae3d220e16f7ff1a9558606b56a)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 5f1388ca0f6672b9ab90eef649de8dc921c9beb2)
@@ -313,7 +313,7 @@
                  ( getTestConfigStatus( TEST_CONFIG_MIX_WITH_WATER ) != TRUE ) )
             {
                 resetChemicalUsedVolumeML( ACID );
-                setThisFisrtFillFlag( TRUE );                                 // indicates bottles need prime
+                setThisFirstFillFlag( TRUE );                                 // indicates bottles need prime
                 activateAlarmNoData( ALARM_ID_DG_ACID_BOTTLE_LOW_VOLUME );
                 activateAlarmNoData ( ALARM_ID_DG_CREATING_DIALYSATE_PLEASE_WAIT );
             }
@@ -322,7 +322,7 @@
                  ( getTestConfigStatus( TEST_CONFIG_MIX_WITH_WATER ) != TRUE ) )
             {
                 resetChemicalUsedVolumeML( BICARB );
-                setThisFisrtFillFlag( TRUE );
+                setThisFirstFillFlag( TRUE );
                 activateAlarmNoData( ALARM_ID_DG_BICARB_BOTTLE_LOW_VOLUME );
                 activateAlarmNoData ( ALARM_ID_DG_CREATING_DIALYSATE_PLEASE_WAIT );
             }