Update concepts-storage.md

Updated the article for correct headings. It should be "Storage class" and "Description"

Author: shailwx

articles/aks/concepts-storage.md

@@ -150,7 +150,7 @@ The StorageClass also defines the *reclaimPolicy*. When you delete the persisten
 
 For clusters using the [Container Storage Interface (CSI) drivers][csi-storage-drivers] the following extra `StorageClasses` are created:
 
-| Permission | Reason |
+| Storage class | Description |
 |---|---|
 | `managed-csi` | Uses Azure StandardSSD locally redundant storage (LRS) to create a Managed Disk. The reclaim policy ensures that the underlying Azure Disk is deleted when the persistent volume that used it's deleted. The storage class also configures the persistent volumes to be expandable, you just need to edit the persistent volume claim with the new size. |
 | `managed-csi-premium` | Uses Azure Premium locally redundant storage (LRS) to create a Managed Disk. The reclaim policy again ensures that the underlying Azure Disk is deleted when the persistent volume that used it's deleted. Similarly, this storage class allows for persistent volumes to be expanded. |
@@ -292,4 +292,4 @@ For more information on core Kubernetes and AKS concepts, see the following arti
 [general-purpose-machine-sizes]: ../virtual-machines/sizes-general.md
 [azure-files-azure-netapp-comparison]: ../storage/files/storage-files-netapp-comparison.md
 [azure-disk-customer-managed-key]: azure-disk-customer-managed-keys.md
-[azure-aks-storage-considerations]: /azure/cloud-adoption-framework/scenarios/app-platform/aks/storage
+[azure-aks-storage-considerations]: /azure/cloud-adoption-framework/scenarios/app-platform/aks/storage