DOCSP-24137 Clarify required backup settings for Data Lake Storage (#268)

* DOCSP-24137 Clarify required backup settings for Data Lake Storage

* DOCSP-24137 updates for review feedback

Author: kanchana-mongodb

source/tutorial/add-dataset-pipeline.txt

@@ -99,6 +99,12 @@ Procedure
       - Every Saturday 
       - Last day of the month
 
+      For example, if you select ``Every day``, you must have a 
+      ``Daily`` backup schedule configured in your policy. Or, if you 
+      want to select a schedule of once a week, you must have a 
+      ``Weekly`` backup schedule configured in your policy. To learn 
+      more, see :atlas:`Backup Scheduling </backup/cloud-backup/overview/#backup-scheduling--retention--and-on-demand-backup-snapshots>`.
+
       .. example:: 
 
          For this tutorial, select :guilabel:`Daily` from the