Broken link fixed

Author: pritamso

articles/governance/management-groups/index.yml

@@ -66,7 +66,7 @@ landingContent:
           - text: Azure PowerShell
             url: /powershell/module/az.resources/#resources
           - text: Azure SDK for .NET
-            url: /dotnet/api/overview/azure/managementgroups
+            url: /dotnet/api/overview/azure/management-groups
           - text: Azure SDK for Go
             url: https://pkg.go.dev/github.com/Azure/azure-sdk-for-go/services/preview/resources/mgmt/2018-03-01-preview/managementgroups
           - text: Azure SDK for JavaScript
@@ -76,4 +76,4 @@ landingContent:
           - text: REST
             url: /rest/api/managementgroups
           - text: Resource Manager templates
-            url: /azure/templates/microsoft.management/managementgroups
+            url: /azure/templates/microsoft.management/managementgroups