Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r9b262ba08e3180f121c3cf19d8d25e565183f87d -r2df21d2472a8d79d78af7e359518acf3614accc5
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 9b262ba08e3180f121c3cf19d8d25e565183f87d)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
@@ -18,11 +18,22 @@
 #define __MODE_PRE_TREAT_H__
 
 #include "HDCommon.h"
+#include "HDDefs.h"
 
+/**
+ *  @defgroup HDPreTreatmentMode HDPreTreatmentMode
+ *  @brief Pre-TreatmentMode module.
+ *
+ *  @addtogroup HDPreTreatmentMode
+ *  @{
+ */
+
 // ********** private function prototypes **********
 
 void initPreTreatmentMode( void );           // initialize this module
 void transitionToPreTreatmentMode( void );   // prepares for transition to pre-treatment mode
-void execPreTreatmentMode( void );           // execute the pre-treatment mode state machine (call from OperationModes)
+U32  execPreTreatmentMode( void );           // execute the pre-treatment mode state machine (call from OperationModes)
 
+/**@}*/
+
 #endif