diff --git a/organize/README.txt b/organize/README.txt
index e05d308..b6bbd17 100644
--- a/organize/README.txt
+++ b/organize/README.txt
@@ -1,7 +1,7 @@
 Organizations: Persons, Institutions, Addresses...
 ==================================================
 
-($Id$)
+  ($Id$)
 
 Let's start with a Person:
 
@@ -34,10 +34,9 @@ Addresses
 
 Let's create an address and assign it to a person:
 
-  >>> from contact.address import Address
-  >>> addr = Address('München'.decode('UTF-8'),
-  ...                'Bayerstraße 1'.decode('UTF-8'))
+  >>> from cybertools.organize.party import Address
+  >>> addr = Address(u'New York', u'Broadway 1')
   >>> john.addresses['standard'] = addr
   >>> john.addresses['standard'].street
-  u'Bayerstra\xdfe 1'
+  u'Broadway 1'
 
diff --git a/organize/interfaces.py b/organize/interfaces.py
index 62daf2b..75d06a3 100644
--- a/organize/interfaces.py
+++ b/organize/interfaces.py
@@ -24,9 +24,21 @@ $Id$
 """
 
 from zope.interface import Interface, Attribute
+from zope import schema
 
 class IPerson(Interface):
-    """ Just a person...
+    """ Resembles a human being with a name (first and last name),
+        a birth date, and a set of addresses.
     """
 
-    age = Attribute('A float representing the age in years. Read-only.')
+    firstName = schema.TextLine(title=u'The first name')
+    lastName = schema.TextLine(title=u'The last name or surname')
+    birthDate = schema.Date(title=u'The date of birth - '
+                    'should be a datetime.date object')
+
+    addresses = Attribute('A mapping whose values provide the IAddress '
+                    'interface')
+
+    age = Attribute('The current age in full years, so this should '
+                    'be an integer calculated dynamically, i.e. a read-only '
+                    'attribute')
diff --git a/organize/party.py b/organize/party.py
index a17f5c2..7494217 100644
--- a/organize/party.py
+++ b/organize/party.py
@@ -52,10 +52,9 @@ class Person(object):
 
 class Address(object):
 
-    def __init__(self, title, city, lines=[], street=u'',
+    def __init__(self, city, street=u'', lines=[],
                  zipcode=None, country=None):
-        self.title = title
-        self.lines = lines      # a sequence of address lines
+        self.lines = lines      # a sequence of additional address lines
         self.street = street
         self.zipcode = zipcode
         self.city = city