changed docs

Author: tomerm-iguazio

storey/flow.py

@@ -320,8 +320,7 @@ def _deepcopy_event(self, event, target_obj, is_stream_completion: bool, is_batc
         :param is_stream_completion: If True, copy target is event_copy.original_event,
                                      otherwise it's event_copy itself.
         :param is_batched: If True, performs nested copying for batched events where event.body contains
-                          a list of sub-events. Only 1 layer of batching is supported. Not supported with
-                          StreamCompletion events.
+                          a list of sub-events. Only 1 layer of batching is supported.
 
         :returns: The deepcopied event with unpicklable attributes restored.
         """