--- a/src/pyams_content/shared/common/interfaces/__init__.py	Wed Jul 12 11:45:17 2017 +0200
+++ b/src/pyams_content/shared/common/interfaces/__init__.py	Wed Jul 12 11:46:22 2017 +0200
@@ -27,7 +27,7 @@
 from pyams_utils.schema import TextLineListField
 from zope.container.constraints import containers, contains
 from zope.interface import Interface, Attribute
-from zope.schema import Choice, Bool, Text
+from zope.schema import Choice, Bool, Text, TextLine
 
 from pyams_content import _
 
@@ -102,6 +102,9 @@
                             required=True,
                             readonly=True)
 
+    creation_label = TextLine(title=_("Version creation"),
+                              readonly=True)
+
     modifiers = PrincipalsSet(title=_("Version modifiers"),
                               description=_("List of principals who modified this content"),
                               required=False)
@@ -110,6 +113,9 @@
                               description=_("Last principal who modified this content"),
                               required=False)
 
+    last_update_label = TextLine(title=_("Last update"),
+                                 readonly=True)
+
     description = I18nTextField(title=_("Description"),
                                 description=_("The content's description is 'hidden' into HTML's page headers; but it "
                                               "can be seen, for example, in some search engines results as content's "