Update driver-parameters.md

Author: andyzhangx

docs/driver-parameters.md

@@ -11,7 +11,7 @@ Name | Meaning | Example | Mandatory | Default value
 skuName | Azure storage account type (alias: `storageAccountType`) | `Standard_LRS`, `Premium_LRS`, `Standard_GRS`, `Standard_RAGRS` | No | `Standard_LRS`
 location | Azure location | `eastus`, `westus`, etc. | No | if empty, driver will use the same location name as current k8s cluster
 resourceGroup | Azure resource group name | existing resource group name | No | if empty, driver will use the same resource group name as current k8s cluster
-storageAccount | specify Azure storage account name| STORAGE_ACCOUNT_NAME | - No for blobfuse mount </br> - Yes for NFSv3 mount |  - For blobfuse mount: if empty, driver will find a suitable storage account that matches `skuName` in the same resource group; if a storage account name is provided, storage account must exist. </br>  - For NFSv3 mount, storage account name must be provided
+storageAccount | specify Azure storage account name| STORAGE_ACCOUNT_NAME | No | If the driver is not provided with a specific storage account name, it will search for a suitable storage account that matches the account settings within the same resource group. If it cannot find a matching storage account, it will create a new one. However, if a storage account name is specified, the storage account must already exist.
 protocol | specify blobfuse, blobfuse2 or NFSv3 mount (blobfuse2 is still in Preview) | `fuse`, `fuse2`, `nfs` | No | `fuse`
 networkEndpointType | specify network endpoint type for the storage account created by driver. If `privateEndpoint` is specified, a private endpoint will be created for the storage account. For other cases, a service endpoint will be created for NFS protocol. | "",`privateEndpoint` | No | ``<br>for AKS cluster, make sure cluster Control plane identity (that is, your AKS cluster name) is added to the Contributor role in the resource group hosting the VNet
 storageEndpointSuffix | specify Azure storage endpoint suffix | `core.windows.net`, `core.chinacloudapi.cn`, etc | No | if empty, driver will use default storage endpoint suffix according to cloud environment, e.g. `core.windows.net`