diff --git a/slapos/slap/slap.py b/slapos/slap/slap.py
index 23a1b359ccc2e18233b42c962831338b7c07b09a..67cafb720672a956bf2c2c3b085949a729627d13 100644
--- a/slapos/slap/slap.py
+++ b/slapos/slap/slap.py
@@ -190,6 +190,8 @@ class OpenOrder(SlapDocument):
         'partition_reference': partition_reference,
         'partition_parameter_xml': xml_marshaller.dumps(partition_parameter_kw),
         'filter_xml': xml_marshaller.dumps(filter_kw),
+        # XXX Cedric: Why state and shared are marshalled? First is a string
+        #             And second is a boolean.
         'state': xml_marshaller.dumps(state),
         'shared_xml': xml_marshaller.dumps(shared),
       }