Update TOC.yml

Fix TOC for PauseAfterRack name update.

Author: bartpinto

articles/operator-nexus/TOC.yml

@@ -159,8 +159,8 @@
               href: howto-run-instance-readiness-testing.md
             - name: Cluster Upgrades
               href: howto-cluster-runtime-upgrade.md
-            - name: Cluster Upgrades With PauseRack Startegy
-              href: howto-cluster-runtime-upgrade-with-pauserack-strategy.md
+            - name: Cluster Upgrades With PauseAfterRack Strategy
+              href: howto-cluster-runtime-upgrade-with-pauseafterrack-strategy.md
             - name: Network Fabric Upgrades
               href: howto-upgrade-nexus-fabric.md
             - name: Credential Rotation