From e6969995341131175e6aaf37ff2f7a2b3e2ab095 Mon Sep 17 00:00:00 2001
From: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Date: Mon, 23 Sep 2024 23:13:18 +0800
Subject: [PATCH] system-variables: optimize the persist info (#18693) (#18696)

---
 system-variables.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/system-variables.md b/system-variables.md
index 3503bb4e0673..4a49e75ee2f1 100644
--- a/system-variables.md
+++ b/system-variables.md
@@ -4564,7 +4564,7 @@ EXPLAIN FORMAT='brief' SELECT COUNT(1) FROM t WHERE a = 1 AND b IS NOT NULL;
 ### `tidb_service_scope` <span class="version-mark">从 v7.4.0 版本开始引入</span>
 
 - 作用域：GLOBAL
-- 是否持久化到集群：否
+- 是否持久化到集群：否，仅作用于当前连接的 TiDB 实例
 - 是否受 Hint [SET_VAR](/optimizer-hints.md#set_varvar_namevar_value) 控制：否
 - 类型：字符串
 - 默认值：""