From 9cc48b552d0375202e28f3873855f635d1400011 Mon Sep 17 00:00:00 2001
From: JoyinQ <56883733+Joyinqin@users.noreply.github.com>
Date: Mon, 31 May 2021 10:31:36 +0800
Subject: [PATCH] Fix description about hot-region-cache-hits-threshold (#5721)

---
 pd-control.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pd-control.md b/pd-control.md
index fc1aaa3d8d101..afb4358087ce8 100644
--- a/pd-control.md
+++ b/pd-control.md
@@ -282,7 +282,7 @@ Usage:
     >> config set hot-region-schedule-limit 4       // 4 tasks of hot Region scheduling at the same time at most
     ```
 
-- `hot-region-cache-hits-threshold` is used to set the threshold of a hot Region. A Region is considered as hot only if the number of its cache hits exceeds this threshold.
+- `hot-region-cache-hits-threshold` is used to set the number of minutes required to identify a hot Region. PD can participate in the hotspot scheduling only after the Region is in the hotspot state for more than this number of minutes.
 
 - `tolerant-size-ratio` controls the size of the balance buffer area. When the score difference between the leader or Region of the two stores is less than specified multiple times of the Region size, it is considered in balance by PD.