update docstring

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12502 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/DocumentPreference.py

@@ -35,12 +35,12 @@ class DocumentPreference:
     { 'id'          : 'preferred_ooodoc_server_address',
       'description' : 'address of a server for converting docs (ip or domain)',
       'type'        : 'string',
-      'preference'  :1,
+      'preference'  : 1,
       'mode'        : '' },
     { 'id'          : 'preferred_ooodoc_server_port_number',
-      'description' : 'port number of a server for converting docs (ip or domain)',
+      'description' : 'port number of a server for converting docs',
       'type'        : 'int',
-      'preference'  :1,
+      'preference'  : 1,
       'mode'        : '' },
     { 'id'          : 'preferred_document_base_category',
       'description' : 'list of categories to choose from while classifying',