Update tidb-in-kubernetes.md

tidb-in-kubernetes.md

@@ -8,6 +8,9 @@ aliases: ['/docs/tidb-in-kubernetes/dev/']
 
 You can use [TiDB Operator](https://github.com/pingcap/tidb-operator) to deploy TiDB clusters in Kubernetes. TiDB Operator is an automatic operation system for TiDB clusters in Kubernetes. It provides full life-cycle management for TiDB including deployment, upgrades, scaling, backup, fail-over, and configuration changes. With TiDB Operator, TiDB can run seamlessly in the Kubernetes clusters deployed on a public or private cloud.
 
-For the current TiDB release, the compatible version of TiDB Operator is v1.2.
+For the current TiDB release, the compatible versions of TiDB Operator include v1.2 and v1.1. It is recommended to use TiDB Operator v1.2.
 
-Currently, the TiDB in Kubernetes documentation is independent of the TiDB documentation. For detailed steps on how to deploy TiDB clusters in Kubernetes using TiDB Operator, see [TiDB in Kubernetes documentation](https://docs.pingcap.com/tidb-in-kubernetes/v1.2/).
+Currently, the TiDB in Kubernetes documentation is independent of the TiDB documentation. For detailed steps on how to deploy TiDB clusters in Kubernetes using TiDB Operator, see the following links:
+
+- [TiDB in Kubernetes documentation for TiDB Operator v1.2](https://docs.pingcap.com/tidb-in-kubernetes/v1.2/)
+- [TiDB in Kubernetes documentation for TiDB Operator v1.1](https://docs.pingcap.com/tidb-in-kubernetes/v1.1/)