Update TOC

Author: sethmanheim

AKS-Hybrid/TOC.yml

@@ -24,7 +24,7 @@
       items:
       - name: Networking concepts and requirements
         href: aks-hci-network-system-requirements.md
-      - name: IP address planning for Kubernetes
+      - name: IP address planning
         href: aks-hci-ip-address-planning.md
       - name: Load balancer
         href: load-balancer-overview.md