Update python/ray/data/_internal/execution/operators/actor_pool_map_o…

…perator.py

Co-authored-by: Hao Chen <[email protected]>
Signed-off-by: srinathk10 <[email protected]>

python/ray/data/_internal/execution/operators/actor_pool_map_operator.py

@@ -447,7 +447,7 @@ def __init__(
         assert self._max_tasks_in_flight >= 1
         assert self._create_actor_fn is not None
 
-        # Actors that are running.
+        # Actors that have started running, including alive and restarting actors.
         self._running_actors: Dict[ray.actor.ActorHandle, _ActorRunningState] = {}
         # Actors that are not yet ready (still pending creation).
         self._pending_actors: Dict[ObjectRef, ray.actor.ActorHandle] = {}