Update list_calendars docs

Author: RogerSelwyn

O365/calendar.py

@@ -1944,17 +1944,17 @@ def list_calendars(self, limit=None, *, query=None, order_by=None, batch=None):
         """ Gets a list of calendars
 
         To use query an order_by check the OData specification here:
-        http://docs.oasis-open.org/odata/odata/v4.0/errata03/os/complete/
-        part2-url-conventions/odata-v4.0-errata03-os-part2-url-conventions
-        -complete.html
+        https://docs.oasis-open.org/odata/odata/v4.0/errata03/os/odata-v4.0-errata03-os.html
 
         :param int limit: max no. of calendars to get. Over 999 uses batch.
         :param query: applies a OData filter to the request
         :type query: Query or str
         :param order_by: orders the result set based on this condition
         :type order_by: Query or str
+        :param int batch: batch size, retrieves items in
+         batches allowing to retrieve more items than the limit.
         :return: list of calendars
-        :rtype: list[Calendar]
+        :rtype: list[Calendar] or Pagination
 
         """
         url = self.build_url(self._endpoints.get('root_calendars'))