Index: firmware/App/Modes/ModeDrain.h
===================================================================
diff -u -rb64c49fdcf2b6d95e61e63f8e258c4e600935bbd -rc48a99d2d1c852adcc986253b6c420a90dab7bfe
--- firmware/App/Modes/ModeDrain.h	(.../ModeDrain.h)	(revision b64c49fdcf2b6d95e61e63f8e258c4e600935bbd)
+++ firmware/App/Modes/ModeDrain.h	(.../ModeDrain.h)	(revision c48a99d2d1c852adcc986253b6c420a90dab7bfe)
@@ -1,4 +1,4 @@
-/**************************************************************************
+/**********************************************************************//**
  *
  *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  *
@@ -8,7 +8,7 @@
  *  @file ModeDrain.h
  *
  *  @date 19-Sep-2019
- *  @author L. Baloa
+ *  @author S. Nash
  *
  *  @brief Header file for Drain Mode.
  *
@@ -19,10 +19,21 @@
 
 #include "DGCommon.h"
 
+/**
+ *  @defgroup DrainMode DrainMode
+ *  @brief Drain mode module.
+ *  Manages drain mode functions via a state machine.
+ *
+ *  @addtogroup DrainMode
+ *  @{
+ */
+
 // ********** private function prototypes **********
 
 void initDrainMode( void );         // initialize this module
 void transitionToDrainMode( void );    // prepares for transition to operating parameters mode
 void execDrainMode( void );         // execute the drain mode state machine
 
+/**@}*/
+
 #endif