diff --git a/eo/test/mpi/t-mpi-distrib-exp.cpp b/eo/test/mpi/t-mpi-distrib-exp.cpp
index e34170de8..505b80e5b 100644
--- a/eo/test/mpi/t-mpi-distrib-exp.cpp
+++ b/eo/test/mpi/t-mpi-distrib-exp.cpp
@@ -1,3 +1,21 @@
+/*
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+ * Authors:
+ *      Benjamin Bouvier <benjamin.bouvier@gmail.com>
+ */
 # include <unistd.h> // usleep
 
 # include <iostream>