Apply suggestion from code review

Co-authored-by: Anuj Tiwari <aj11anuj123@gmail.com>

content/en/docs/concepts/security/_index.md

@@ -146,7 +146,7 @@ To protect storage for your cluster and the applications that run there, you can
    rest for volumes.
 1. Enable [encryption at rest](/docs/tasks/administer-cluster/encrypt-data/) for
    API objects.
-1. Protect data durability using backups. Verify you can restore these if you need to.
+1. Protect data durability using backups. Verify that you can restore these, whenever you need to.
 1. Authenticate connections between cluster nodes and any network storage they rely
    upon.
 1. Implement data encryption within your own application.