Index: sources/model/hd/data/posttreatment/MPostTreatmentStatesData.h
===================================================================
diff -u -r5d142e2ec2aa4bdfd2567eb521c7208f76e16ae7 -r709adc89ed581f17396468daf4beb7e4c6b65b8a
--- sources/model/hd/data/posttreatment/MPostTreatmentStatesData.h	(.../MPostTreatmentStatesData.h)	(revision 5d142e2ec2aa4bdfd2567eb521c7208f76e16ae7)
+++ sources/model/hd/data/posttreatment/MPostTreatmentStatesData.h	(.../MPostTreatmentStatesData.h)	(revision 709adc89ed581f17396468daf4beb7e4c6b65b8a)
@@ -60,7 +60,7 @@
 
     struct {
         Types::U32 mSubMode        ;  ///< State - HD_Post_Treatment_Mode_States
-        Types::U32 mDrainState     ;  ///< State - ???
+        Types::U32 mDrainState     ;  ///< State - Drain_States - Post-Treatment drain reservoirs state machine [Not currently being used]
     } _data;
 
 public: