diff --git a/source/tutorial/restore-single-shard.txt b/source/tutorial/restore-single-shard.txt
index cc09ef28725..4685e1805cf 100644
--- a/source/tutorial/restore-single-shard.txt
+++ b/source/tutorial/restore-single-shard.txt
@@ -32,13 +32,13 @@ manually move those chunks, as described in this procedure.
    instance. See :doc:`/core/backups` for overviews of these
    procedures.
 
-#. For all chunks that migrated away from this shard, you do not need
-   to do anything at this time.. You do not need to delete these
+#. For all chunks that migrate away from this shard, you do not need
+   to do anything at this time. You do not need to delete these
    documents from the shard because the chunks are automatically
    filtered out from queries by :program:`mongos`. You can remove
-   these documents from the shard if you like, at your leisure.
+   these documents from the shard, if you like, at your leisure.
 
-#. For chunks that migrated to this shard since the last backup, you
-   must manually recover the chunks using backups of other shards, or
-   some other source.  To determine what chunks have moved, view the
+#. For chunks that migrate to this shard after the most recent backup, 
+   you must manually recover the chunks using backups of other shards, 
+   or some other source.  To determine what chunks have moved, view the
    ``changelog`` collection in the :ref:`config-database`.