Index: trunk/archive/pslib/include/psMatrix.h
===================================================================
--- trunk/archive/pslib/include/psMatrix.h	(revision 239)
+++ trunk/archive/pslib/include/psMatrix.h	(revision 247)
@@ -1,4 +1,9 @@
 #if !defined(PS_MATRIX_H)
 #define PS_MATRIX_H
+
+/** \file psMatrix.h
+ *  \brief matrix math operators
+ *  \ingroup MathGroup
+ */
 
 /** A matrix */