diff --git a/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md b/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
index 8cd41d07c2a..ed1c3ad128b 100644
--- a/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
+++ b/docs-2.0/nebula-operator/9.upgrade-nebula-cluster.md
@@ -1,6 +1,6 @@
 # 升级Nebula Graph集群
 
-本文介绍如何升级Nebula Graph集群。
+Nebula Operator支持升级Nebula Graph集群。本文介绍如何升级Nebula Graph集群。
 
 ## 前提条件