/** @addtogroup MSG_examples
*
- * @section MSG_ex_tracing Tracing and visualization features
+ * @section msg_ex_tracing Tracing and visualization features
* Tracing can be activated by various configuration options which are illustrated in these example.
* See \ref tracing_tracing_options for details.
* - <b>Basic example: trace-simple/trace-simple.c</b>. In this very simple program, each process creates, executes,