Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -r4ebe73f0dee4b70eeea3c38a01e13f3b6817e366 -rd7cd6f90ebd24645b4f6b60a36a9bdc2d6f1c95f
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 4ebe73f0dee4b70eeea3c38a01e13f3b6817e366)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision d7cd6f90ebd24645b4f6b60a36a9bdc2d6f1c95f)
@@ -317,7 +317,7 @@
                  ( 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 );
             }
@@ -326,7 +326,7 @@
                  ( 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 );
             }