diff --git a/src_main/math/pigeometry.h b/src_main/math/pigeometry.h
index 8fd87ec5..c9195eed 100644
--- a/src_main/math/pigeometry.h
+++ b/src_main/math/pigeometry.h
@@ -1,7 +1,10 @@
+/*! \file pigeometry.h
+ * \brief Geometry base class
+*/
 /*
     PIP - Platform Independent Primitives
     Geometry
-    Copyright (C) 2015  Ivan Pelipenko peri4ko@gmail.com
+    Copyright (C) 2018  Ivan Pelipenko peri4ko@yandex.ru
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,6 +20,7 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+
 #ifndef PIGEOMETRY_H
 #define PIGEOMETRY_H