typo: Double word "supports"

Author: nschonni

articles/aks/acs-aks-migration.md

@@ -24,7 +24,7 @@ ACS and AKS differ in some key areas that affect migration. Before any migration
     * Unmanaged disks must be converted before you can attach them to AKS nodes.
     * Custom `StorageClass` objects for Azure disks must be changed from `unmanaged` to `managed`.
     * Any `PersistentVolumes` should use `kind: Managed`.
-* AKS supports supports [multiple node pools](https://docs.microsoft.com/en-us/azure/aks/use-multiple-node-pools) (currently in preview).
+* AKS supports [multiple node pools](https://docs.microsoft.com/en-us/azure/aks/use-multiple-node-pools) (currently in preview).
 * Nodes based on Windows Server are currently in [preview in AKS](https://azure.microsoft.com/blog/kubernetes-on-azure/).
 * AKS supports a limited set of [regions](https://docs.microsoft.com/azure/aks/quotas-skus-regions).
 * AKS is a managed service with a hosted Kubernetes control plane. You might need to modify your applications if you've previously modified the configuration of your ACS masters.