Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r07a352d02dc7e062dd5b6742891ac0b57679858c -r8dad6fab1c33602ad94908fd31b8b15153a9eb6e
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 07a352d02dc7e062dd5b6742891ac0b57679858c)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 8dad6fab1c33602ad94908fd31b8b15153a9eb6e)
@@ -23,6 +23,15 @@
 #include "DialOutFlow.h"
 #include "DGInterface.h"
 
+/**
+ *  @defgroup SystemCommMessages SystemCommMessages
+ *  @brief The system communication messages module provides helper functions
+ *  for sending outgoing system message and handling incoming system messages.
+ *
+ *  @addtogroup SystemCommMessages
+ *  @{
+ */
+
 // ********** public definitions **********
 
 // ********** public function prototypes **********
@@ -326,5 +335,6 @@
 // MSG_ID_HD_SET_PARAMETER_TREATMENT_PARAMETER
 void handleTestSetTreatmentParameter( MESSAGE_T *message );
 
+/**@}*/
+
 #endif
-