diff -r 11a282e23e0d -r b61b54aa9f96 pgtoolkit/pgbrowser.py
--- a/pgtoolkit/pgbrowser.py	Thu Aug 08 15:26:24 2013 +0200
+++ b/pgtoolkit/pgbrowser.py	Fri Aug 16 13:19:26 2013 +0200
@@ -417,7 +417,11 @@
         return self._query('''select pg_get_functiondef(%s);''', [oid])
 
     def list_types(self, schema='public'):
-        """List types in schema."""
+        """List types in schema.
+
+        http://www.postgresql.org/docs/8.4/static/catalog-pg-type.html
+
+        """
         return self._query('''
             SELECT
                 t.typname AS "name",