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diff --git a/docs/deferred.txt b/docs/deferred.txt
index 445eb0e4..06155c56 100644
--- a/docs/deferred.txt
+++ b/docs/deferred.txt
@@ -17,3 +17,11 @@ smart like collating updates to the same table or such because
the list is almost always going to have just one item on it, if
that, so it's not worth the trouble.
+
+Since 1.6 there is a 'job queue' in the jobs table, which is used
+to update link tables of transcluding pages after edits; this
+may be extended in the future to more general background tasks.
+
+Job queue items are fetched out of the queue and run either
+at a random rate during regular page views (by default) or by
+a batch process which can be run via maintenance/runJobs.php.