diff --git a/tiflash/use-tiflash.md b/tiflash/use-tiflash.md
index 84aac00944664..0946ca209ae23 100644
--- a/tiflash/use-tiflash.md
+++ b/tiflash/use-tiflash.md
@@ -334,7 +334,7 @@ Currently, you can use TiSpark to read TiFlash replicas in a method similar to t
 
 > **Notes**
 >
-> When this parameter is set to `true`, only the TiFlash replicas of all tables involved in the query are read and these tables must have TiFlash replicas; for tables that do not have TiFlash replicas, an error is reported. When this parameter is set to `false`, only the TiKV replica is read.
+> When this parameter is set to `tiflash`, only the TiFlash replicas of all tables involved in the query are read and these tables must have TiFlash replicas; for tables that do not have TiFlash replicas, an error is reported. When this parameter is set to `tikv`, only the TiKV replica is read.
 
 You can configure this parameter in one of the following ways: