@@ -1082,7 +1082,8 @@ stored task tombstones will be deleted.
A built-in periodic task will delete the results after this time
(:class:`celery.task.backend_cleanup`).
-Setting it to None or 0 will disable results cleanup.
+A value of :const:`None` or 0 means results will never expire (depending
+on backend specifications).
Default is to expire after 1 day.
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