Index: Timers.h
===================================================================
diff -u -r62f81f0f9649926feae18dc09da001690dbcd26e -rbe2f042ab3fbb84ed87ca44577e123464b7281ae
--- Timers.h	(.../Timers.h)	(revision 62f81f0f9649926feae18dc09da001690dbcd26e)
+++ Timers.h	(.../Timers.h)	(revision be2f042ab3fbb84ed87ca44577e123464b7281ae)
@@ -1,4 +1,4 @@
-/**************************************************************************
+/**********************************************************************//**
  *
  *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  *
@@ -10,7 +10,7 @@
  *  @date 25-Sep-2019
  *  @author S. Nash
  *
- *  @brief header file for Timers service .
+ *  @brief header file for Timers service module.
  *
  **************************************************************************/
 
@@ -19,6 +19,15 @@
 
 #include "Common.h"
 
+/**
+ *  @defgroup Timers Timers
+ *  @brief Timers service module.  Provides timer utility functions based on
+ *  a 1ms timer counter incremented by TaskTimer.c.
+ *
+ *  @addtogroup Timers
+ *  @{
+ */
+
 // ********** public function prototypes **********
 
 void initTimers( void );
@@ -28,4 +37,6 @@
 U32 calcTimeSince( U32 startMSCount );
 U32 calcTimeBetween( U32 startMSCount, U32 endMSCount );
 
+/**@}*/
+
 #endif