DOCSP-49308-enable-balancer-after-resharding (#11729)

* DOCSP-49308-enable-balancer-after-resharding

* add link

Author: gmiller-mdb

source/includes/steps-reshard-a-collection.yaml

@@ -213,4 +213,11 @@ content: |
    not possible, :ref:`add more shards <sharding-procedure-add-shard>`
    before retrying.
 
+title: Re-enable the Balancer.
+level: 4
+ref: resharding-start-balancer
+content: |
+
+   To enable the balancer, see `here <https://www.mongodb.com/docs/manual/tutorial/manage-sharded-cluster-balancer/#enable-the-balancer>`_.
+
 ...