From 7c6c1def395c66c2244c54c98d68632cb81ba4f3 Mon Sep 17 00:00:00 2001
From: Enwei <jinenwei@pingcap.com>
Date: Wed, 8 Sep 2021 10:42:59 +0200
Subject: [PATCH] TiKV config: fix wrong description about
 `compaction-readahead-size` (#6371)

---
 tikv-configuration-file.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tikv-configuration-file.md b/tikv-configuration-file.md
index 838be06d0bbcf..63e34bdc764e5 100644
--- a/tikv-configuration-file.md
+++ b/tikv-configuration-file.md
@@ -798,7 +798,7 @@ Configuration items related to RocksDB
 
 ### `compaction-readahead-size`
 
-+ The size of `readahead` when compaction is being performed
++ Enables the readahead feature during RocksDB compaction and specifies the size of readahead data. If you are using mechanical disks, it is recommended to set the value to 2MB at least.
 + Default value: `0`
 + Minimum value: `0`
 + Unit: B|KB|MB|GB