typo fix

Author: ica10888

content/zh/docs/setup/production-environment/tools/kubespray.md

@@ -250,7 +250,7 @@ When running the reset playbook, be sure not to accidentally target your product
 
 Check out planned work on Kubespray's [roadmap](https://github.com/kubernetes-sigs/kubespray/blob/master/docs/roadmap.md).
 -->
-## {{％heading“ whatsnext”％}}
+## {{% heading "whatsnext" %}}
 
 
 查看有关 Kubespray 的[路线图](https://github.com/kubernetes-sigs/kubespray/blob/master/docs/roadmap.md)的计划工作。