Update driver-parameters.md

Author: andyzhangx

docs/driver-parameters.md

@@ -64,7 +64,7 @@ isHnsEnabled | enable `Hierarchical namespace` for Azure DataLake storage accoun
 mountPermissions | mounted folder permissions. The default is `0777`, if set as `0`, driver will not perform `chmod` after mount | `0777` | No |
 vnetResourceGroup | specify vnet resource group where virtual network is | existing resource group name | No | if empty, driver will use the `vnetResourceGroup` value in azure cloud config file
 vnetName | virtual network name | existing virtual network name | No | if empty, driver will use the `vnetName` value in azure cloud config file
-subnetName | subnet name | existing subnet name(s) of the agent node, if you want to update service endpoints on multiple subnets, separate them using a comma (`,`) | No | if empty, driver will use the `subnetName` value in azure cloud config file
+subnetName | subnet name | existing subnet name(s) of the agent node, if you want to update service endpoints on multiple subnets, separate them using a comma (`,`) | No | if empty, driver will update all the subnets under the cluster virtual network
 softDeleteBlobs | Enable [soft delete for blobs](https://learn.microsoft.com/en-us/azure/storage/blobs/soft-delete-blob-overview), specify the days to retain deleted blobs | "7" | No | Soft Delete Blobs is disabled if empty
 softDeleteContainers | Enable [soft delete for containers](https://learn.microsoft.com/en-us/azure/storage/blobs/soft-delete-container-overview), specify the days to retain deleted containers | "7" | No | Soft Delete Containers is disabled if empty
 enableBlobVersioning | Enable [blob versioning](https://learn.microsoft.com/en-us/azure/storage/blobs/versioning-overview), can't enabled when `protocol` is `nfs` or `isHnsEnabled` is `true` | `true`,`false` | No | versioning for blobs is disabled if empty