indentation with tabs

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9172 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -3727,7 +3727,7 @@ Business Template is a set of definitions, such as skins, portal types and categ
                             'business_template_installation_workflow'] = None
 
     def updateRevisionNumber(self):
-	""" incremente bt revision number
+        """Increment bt revision number.
         """
         revision_number = self.getRevision()
         if revision_number is None or revision_number.strip() == '':