diff --git a/product/ERP5/Document/TradeCondition.py b/product/ERP5/Document/TradeCondition.py
index 658b70b288d660cd87af1456c096698b8a3615d8..ac656a5d4530dcd9e9d6ba99a32cf3393a8edeee 100644
--- a/product/ERP5/Document/TradeCondition.py
+++ b/product/ERP5/Document/TradeCondition.py
@@ -36,6 +36,9 @@ from Products.ERP5.Document.Transformation import Transformation
 from Products.ERP5.Document.Path import Path
 from Products.ERP5.AggregatedAmountList import AggregatedAmountList
 
+# XXX TODO : getTradeModelLineComposedList and findSpecialiseValueList should
+# probably move to Transformation (better names sould be used)
+
 class CircularException(Exception): pass
 
 class TradeCondition(Path, Transformation):