--- a/pvl/verkko/db.py	Sat Jan 26 14:40:05 2013 +0200
+++ b/pvl/verkko/db.py	Sat Jan 26 17:52:40 2013 +0200
@@ -1,3 +1,7 @@
+"""
+    SQLAlchemy Database tables model for pvl.verkko
+"""
+
 import sqlalchemy
 from sqlalchemy import *