diff --git a/tidb-cloud/migrate-sql-shards.md b/tidb-cloud/migrate-sql-shards.md
index 667d87b23d906..b54ba065de898 100644
--- a/tidb-cloud/migrate-sql-shards.md
+++ b/tidb-cloud/migrate-sql-shards.md
@@ -238,7 +238,7 @@ To replicate the data changes based on binlog from a specified position in the u
 
 ### Before you begin
 
-The TiDB Cloud console does not provide any feature about incremental data replication yet. You need to deploy TiDB DM to migrate incremental data. For detailed steps, see [Deploy a DM Cluster Using TiUP](https://docs.pingcap.com/tidb/stable/deploy-a-dm-cluster-using-tiup).
+If you want to migrate incremental data and merge MySQL shards to TiDB Cloud, you need to manually deploy TiDB DM, because TiDB Cloud does not support migrating and merging MySQL shards yet. For detailed steps, see [Deploy a DM Cluster Using TiUP](https://docs.pingcap.com/tidb/stable/deploy-a-dm-cluster-using-tiup).
 
 ### Step 1. Add the data source