diff --git a/sessions.py b/sessions.py
index 2325abd..e29f139 100644
--- a/sessions.py
+++ b/sessions.py
@@ -1,3 +1,6 @@
+#This file is part galatea blueprint for Flask.
+#The COPYRIGHT file at the top level of this repository contains 
+#the full copyright notices and license terms.
 from flask import request
 from flask.sessions import SessionInterface, SessionMixin
 from werkzeug.contrib.sessions import Session as SessionBase, SessionStore
diff --git a/tryton.py b/tryton.py
index 7f5fd2b..c9dd935 100644
--- a/tryton.py
+++ b/tryton.py
@@ -1,3 +1,6 @@
+#This file is part galatea blueprint for Flask.
+#The COPYRIGHT file at the top level of this repository contains 
+#the full copyright notices and license terms.
 from flask import current_app
 from flask_tryton import Tryton