Index: firmware/App/Modes/ModeChemicalDisinfect.h
===================================================================
diff -u -r138efd92a8645e0d2fe422409ef5a33dd2929a25 -rc48a99d2d1c852adcc986253b6c420a90dab7bfe
--- firmware/App/Modes/ModeChemicalDisinfect.h	(.../ModeChemicalDisinfect.h)	(revision 138efd92a8645e0d2fe422409ef5a33dd2929a25)
+++ firmware/App/Modes/ModeChemicalDisinfect.h	(.../ModeChemicalDisinfect.h)	(revision c48a99d2d1c852adcc986253b6c420a90dab7bfe)
@@ -1,4 +1,4 @@
-/**************************************************************************
+/**********************************************************************//**
  *
  *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  *
@@ -19,10 +19,21 @@
 
 #include "DGCommon.h"
 
+/**
+ *  @defgroup ChemicalDisinfectMode ChemicalDisinfectMode
+ *  @brief Chemical disinfect mode module.
+ *  Manages chemical disinfect mode functions via a state machine.
+ *
+ *  @addtogroup ChemicalDisinfectMode
+ *  @{
+ */
+
 // ********** private function prototypes **********
 
 void initChemicalDisinfectMode( void );           // initialize this module
 void transitionToChemicalDisinfectMode( void );   // prepares for transition to chemical disinfection mode
 void execChemicalDisinfectMode( void );           // execute the chemical disinfection mode state machine (call from OperationModes)
 
+/**@}*/
+
 #endif