minor changes

Author: AbhishekMallick01

articles/backup/toc.yml

@@ -958,7 +958,7 @@
     - name: Azure Blob backup
       href: backup-azure-troubleshoot-blob-backup.md
     - name: Azure Data Lake Storage backup (preview)
-      href: azure-data-lake-storage-backup.md  
+      href: azure-data-lake-storage-backup-troubleshoot.md  
     - name: Files and folders backup is slow
       href: backup-azure-troubleshoot-slow-backup-performance-issue.md
     - name: Azure Backup Server