diff --git a/product/ERP5/Document/Person.py b/product/ERP5/Document/Person.py
index ee0e92f5fae616638dcc4db24bbbf4dc90d422a7..fd27e056fde75b1148b3315d163dc9b3100d4990 100644
--- a/product/ERP5/Document/Person.py
+++ b/product/ERP5/Document/Person.py
@@ -222,8 +222,7 @@ class Person(XMLObject):
       """
       Calculate available time for a person
 
-      XXX What are the parameters - documentation needed
-      What is the result ?
+      See SimulationTool.getAvailableTime
       """
       assignment_list = self.contentValues(portal_type='Assignment')
       calendar_uid_list = []
@@ -239,9 +238,8 @@ class Person(XMLObject):
     def getAvailableTimeSequence(self, *args, **kw):
       """
       Calculate available time for a person in a sequence
-
-      XXX What are the parameters - documentation needed
-      What is the result ?
+      
+      See SimulationTool.getAvailableTimeSequence
       """
       assignment_list = self.contentValues(portal_type='Assignment')
       calendar_uid_list = []