Merge pull request #289766 from ManoharLakkoju-MSFT/patch-213394

(AzureCXP) fixes MicrosoftDocs/azure-docs#330283

Author: prmerger-automator[bot]

articles/backup/azure-kubernetes-service-cluster-backup-concept.md

@@ -100,7 +100,7 @@ Also, as part of the backup and restore operations, the following roles are assi
 | Reader                         | Backup vault       | Snapshot resource group | Allows the Backup vault to perform _List_ and _Read_ operations on snapshot resource group. |
 | Contributor                    | AKS cluster        | Snapshot resource group | Allows AKS cluster to store persistent volume snapshots in the resource group.              |
 | Storage Blob Data Contributor    | Extension Identity | Storage account         | Allows Backup Extension to store cluster resource backups in the blob container.            |
-| Data Operator for Managed Disk | Backup vault       | Snapshot Resource Group | Allows Backup Vault service to move incremental snapshot data to the Vault.                  |
+| Data Operator for Managed Disks | Backup vault       | Snapshot Resource Group | Allows Backup Vault service to move incremental snapshot data to the Vault.                  |
 | Disk Snapshot Contributor      | Backup vault       | Snapshot Resource Group | Allows Backup Vault to access Disks snapshots and perform Vaulting operation.                |
 | Storage Blob Data Reader       | Backup vault       | Storage Account         | Allow Backup Vault to access Blob Container with backup data stored to move to Vault.        |
 | Contributor                    | Backup vault       | Staging Resource Group  | Allows Backup Vault to hydrate backups as Disks stored in Vault Tier.                        |