diff --git a/data/em.py b/data/em.py
index 9f921248..165d29e8 100755
--- a/data/em.py
+++ b/data/em.py
@@ -2,6 +2,20 @@
 #
 # $Id: //projects/empy/em.py#146 $ $Date: 2003/10/27 $
 
+# 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
 """
 A system for processing Python as markup embedded in text.
 """