--- a/src/pyams_content/shared/common/zmi/rename.py	Mon Jun 25 16:47:25 2018 +0200
+++ b/src/pyams_content/shared/common/zmi/rename.py	Mon Jun 25 16:53:51 2018 +0200
@@ -84,6 +84,7 @@
     def updateWidgets(self, prefix=None):
         super(SiteContainerRenameForm, self).updateWidgets(prefix)
         self.widgets['__name__'].label = _("Item URL part")
+        self.widgets['__name__'].description = _("URL part used to access this content")
 
     def update_content(self, content, data):
         data = data.get(self, data)