update MD by dispatch event pingcap/docs release-7.1

Author: github-actions

markdown-pages/en/tidb/release-7.1/tidb-configuration-file.md

@@ -686,10 +686,14 @@ Configuration items related to opentracing.reporter.
 
 ### `grpc-compression-type`
 
-- Specifies the compression type used for data transfer between TiDB and TiKV nodes. The default value is `"none"`, which means no compression. To enable the gzip compression, set this value to `"gzip"`.
+- Specifies the compression type used for data transfer from TiDB nodes to TiKV nodes. The default value is `"none"`, which means no compression. To enable the gzip compression, set this value to `"gzip"`.
 - Default value: `"none"`
 - Value options: `"none"`, `"gzip"`
 
+> **Note:**
+>
+> The compression algorithm for response messages returned from TiKV nodes to TiDB nodes is controlled by the TiKV configuration item [`grpc-compression-type`](/tikv-configuration-file.md#grpc-compression-type).
+
 ### `commit-timeout`
 
 - The maximum timeout when executing a transaction commit.

markdown-pages/en/tidb/release-7.1/tikv-configuration-file.md

@@ -138,7 +138,7 @@ This document only describes the parameters that are not included in command-lin
 
 ### `grpc-compression-type`
 
-+ The compression algorithm for gRPC messages
++ The compression algorithm for gRPC messages. It affects gRPC messages between TiKV nodes. Starting from v6.5.11 and v7.1.6, it also affects gRPC response messages sent from TiKV to TiDB.
 + Optional values: `"none"`, `"deflate"`, `"gzip"`
 
     > **Note:**