Index: MessagePayloads.h
===================================================================
diff -u -rc42c1c0afbc344f0806f5d6a505f38ef17eb735f -r5477852164955f5840473e8dcaa7573610294503
--- MessagePayloads.h	(.../MessagePayloads.h)	(revision c42c1c0afbc344f0806f5d6a505f38ef17eb735f)
+++ MessagePayloads.h	(.../MessagePayloads.h)	(revision 5477852164955f5840473e8dcaa7573610294503)
@@ -46,7 +46,7 @@
     F32  bicarbConvFactor;                              ///< Conversion factor of bicarbonate.
     U32  sodium;                                        ///< Set sodium being used to make dialysate.
     U32  bicarbonate;                                   ///< Set bicarbonate being used to make dialysate.
-    F32  hdfRate;                                       ///< Set HDF rate ( mL/min).
+    F32  substitutionrate;                              ///< Set HDF rate ( mL/min).
 } DIALYSATE_DELIVERY_REQ_PAYLOAD_T;
 
 /// Payload record structure for requesting pre generate dialysate.