(DOCSP-40199): Tweaked the resync language.

Author: corryroot

source/tutorial/resync-backup.txt

@@ -13,7 +13,7 @@ Resync a Backup
 .. note::
 
    You don't need to resync MongoDB databases that run with an
-   |fcv-link| of 4.2.
+   |fcv-link| of 4.2 or later.
 
 When a backup becomes out of sync with the MongoDB deployment, |mms|
 produces a ``Backup requires a resync`` alert. If you
@@ -43,7 +43,8 @@ and |mms| does not produce any new snapshots.
 
 .. note::
 
-   For production deployments, you should resync all backups annually.
+   For production deployments with an |fcv-link| of 4.0 or earlier, you 
+   should resync all backups annually.
 
 .. important::
 
@@ -61,7 +62,8 @@ using :manual:`backup cursors </reference/glossary/#std-term-backup-cursor>`. Ap
 continue read and write operations on the database while WiredTiger
 takes the snapshot.
 
-To avoid the need for resyncs, ensure the Backup oplog does not fall
+For production deployments with an |fcv-link| of 4.0 or earlier, to 
+avoid the need for resyncs, ensure the Backup oplog does not fall
 behind the deployment's oplog. This requires that:
 
 - Adequate machine resources are provisioned for the agent.