fix format

Author: JnHs

articles/azure-arc/kubernetes/extensions-release.md

@@ -134,7 +134,7 @@ Changes made for this version:
 - Upgrades Flux to [v0.39.0](https://github.com/fluxcd/flux2/releases/tag/v0.39.0)
 - Flux extension is now supported on ARM64-based clusters
 
-- ### 1.6.4 (February 2023)
+### 1.6.4 (February 2023)
 
 Changes made for this version:
 

articles/azure-arc/kubernetes/plan-at-scale-deployment.md

@@ -1,6 +1,6 @@
 ---
 title: How to plan and deploy Azure Arc-enabled Kubernetes
-ms.date: 03/17/2023
+ms.date: 04/12/2021
 ms.topic: conceptual
 description: Onboard large number of clusters to Azure Arc-enabled Kubernetes for configuration management
 ---