Update elastic-san-expand.md

Updated CLI command

Author: adarshv98

articles/storage/elastic-san/elastic-san-expand.md

@@ -53,7 +53,7 @@ Update-AzElasticSanVolume -ResourceGroupName $resourceGroupName -ElasticSanName
 # [Azure CLI](#tab/azure-cli)
 
 ```azurecli
-az elastic-san update -e $sanName -g $resourceGroupName -v $volumeGroupName -n $volumeName --size-gib $newVolumeSize
+az elastic-san volume update -e $sanName -g $resourceGroupName -v $volumeGroupName -n $volumeName --size-gib $newVolumeSize
 ```
 
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