diff --git a/tidb-configuration-file.md b/tidb-configuration-file.md
index 88643fa2b114..96b79531c62a 100644
--- a/tidb-configuration-file.md
+++ b/tidb-configuration-file.md
@@ -734,12 +734,21 @@ Configuration items related to opentracing.reporter.
 
 > **Warning:**
 >
-> This configuration might be deprecated in future versions. **DO NOT** change the value of this configuration.
+> This configuration parameter might be deprecated in future versions. **DO NOT** change the value of it.
 
 + The timeout of a single Coprocessor request.
 + Default value: `60`
 + Unit: second
 
+### `enable-replica-selector-v2` <span class="version-mark">New in v8.0.0</span>
+
+> **Warning:**
+>
+> This configuration parameter might be deprecated in future versions. **DO NOT** change the value of it.
+
++ Whether to use the new version of the Region replica selector when sending RPC requests to TiKV.
++ Default value: `true`
+
 ## tikv-client.copr-cache <span class="version-mark">New in v4.0.0</span>
 
 This section introduces configuration items related to the Coprocessor Cache feature.