--- a/src/core/trace-source-accessor.h	Thu May 29 19:09:56 2008 -0700
+++ b/src/core/trace-source-accessor.h	Thu May 29 23:24:10 2008 -0700
@@ -29,6 +29,8 @@
 class ObjectBase;
 
 /**
+ * \ingroup tracing
+ *
  * \brief control access to objects' trace sources
  *
  * This class abstracts the kind of trace source to which we want to connect