Fixed subnet name

Author: nithyathokala

healthcheck/healthcheck_webapps_refarch.py

@@ -74,7 +74,7 @@ def main(tenant_id_arg, client_id_arg, client_secret_arg, subscription_id_arg, u
             "Deploy to New or Existing Virtual Network": "existing",
             "Name of Virtual Network Where MATLAB Web App Server Will Be Deployed": vnet_name,
             "Virtual Network CIDR Range": vnet_cidr,
-            "Name of Subnet for MATLAB Web App Server": subnet_name[0],
+            "Name of Subnet for MATLAB Web App Server": subnet_name,
             "Server Subnet CIDR Range": subnets_cidr[0],
             "Specify Private IP Address to VM Hosting MATLAB Web App Server": '10.1.0.4',
             "Resource Group Name Of Virtual Network": resource_name_vnet,