diff --git a/README.md b/README.md
index 367a98bcc8ba..7d6c7cf230b7 100755
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 | 文档仓库 branch | 对应 TiDB 文档版本 |
 |:---------|:----------|
 | [`master`](https://github.com/pingcap/docs-cn/tree/master) | dev 最新开发版 |
-| [`release-4.0`](https://github.com/pingcap/docs-cn/tree/release-4.0) | 4.0 RC 版 |
+| [`release-4.0`](https://github.com/pingcap/docs-cn/tree/release-4.0) | 4.0 稳定版 |
 | [`release-3.1`](https://github.com/pingcap/docs-cn/tree/release-3.1) | 3.1 稳定版 |
 | [`release-3.0`](https://github.com/pingcap/docs-cn/tree/release-3.0) | 3.0 稳定版 |
 | [`release-2.1`](https://github.com/pingcap/docs-cn/tree/release-2.1) | 2.1 稳定版 |