Index: firmware/App/Modes/ModeService.h
===================================================================
diff -u -r9b262ba08e3180f121c3cf19d8d25e565183f87d -r2df21d2472a8d79d78af7e359518acf3614accc5
--- firmware/App/Modes/ModeService.h	(.../ModeService.h)	(revision 9b262ba08e3180f121c3cf19d8d25e565183f87d)
+++ firmware/App/Modes/ModeService.h	(.../ModeService.h)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
@@ -18,11 +18,22 @@
 #define __MODE_SERVICE_H__
 
 #include "HDCommon.h"
+#include "HDDefs.h"
 
+/**
+ *  @defgroup HDServiceMode HDServiceMode
+ *  @brief Service mode module.
+ *
+ *  @addtogroup HDServiceMode
+ *  @{
+ */
+
 // ********** private function prototypes **********
 
-void initServiceMode( void );          // initialize this module
-void transitionToServiceMode( void );  // prepares for transition to service mode
-void execServiceMode( void );          // execute the service mode state machine (call from OperationModes)
+void initServiceMode( void );              // initialize this module
+void transitionToServiceMode( void );      // prepares for transition to service mode
+U32  execServiceMode( void );              // execute the service mode state machine (call from OperationModes)
 
+/**@}*/
+
 #endif