minor fix in title for consistency with other articles in TOC

Author: amsliu

support/azure/azure-kubernetes/error-codes/subnetisdelegated-error.md

@@ -8,7 +8,7 @@ ms.service: azure-kubernetes-service
 #Customer intent: As an Azure Kubernetes user, I want to troubleshoot the SubnetIsDelegated error so that I can successfully create a node pool.
 ms.custom: sap:Create, Upgrade, Scale and Delete operations (cluster or nodepool)
 ---
-# Troubleshoot the "SubnetIsDelegated" error
+# Troubleshoot the SubnetIsDelegated error
 
 This article discusses how to identify and resolve the SubnetIsDelegated error that occurs when you try to create a node pool.