(DOCSP-18997): Clarify that you can restart a sharded cluster during draining

Author: jeff-allen-mongo

source/tutorial/remove-shards-from-cluster.txt

@@ -29,7 +29,13 @@ cluster.
 Considerations
 --------------
 
-.. include:: /includes/extracts/changestream-remove-shard-with-link.rst
+- .. include:: /includes/extracts/changestream-remove-shard-with-link.rst
+
+- You can safely restart a cluster during a shard removal process. If
+  you restart a cluster during an ongoing :term:`draining` process,
+  draining continues automatically after the cluster components restart.
+  MongoDB records the shard draining status in the :data:`config.shards`
+  collection.
 
 .. _remove-shard-ensure-balancer-is-enabled:
 .. _remove-shard-ensure-balancer-is-active: