deploy-tidb-binlog: make the expression on deployment clearer (#6073)

tidb-binlog/deploy-tidb-binlog.md

@@ -19,6 +19,10 @@ In environments of development, testing and production, the requirements on serv
 | Pump | 3 | 8 core+    | SSD, 200 GB+ | 16G |
 | Drainer | 1 | 8 core+ | SAS, 100 GB+ (If binlogs are output as local files, the disk size depends on how long these files are retained.) | 16G |
 
+## Deploy TiDB Binlog using TiUP
+
+It is recommended to deploy TiDB Binlog using TiUP. To do that, when deploying TiDB using TiUP, you need to add the node information of `drainer` and `pump` of TiDB Binlog in [TiDB Binlog Deployment Topology](/tidb-binlog-deployment-topology.md). For detailed deployment information, refer to [Deploy a TiDB Cluster Using TiUP](/production-deployment-using-tiup.md).
+
 ## Deploy TiDB Binlog using a Binary package
 
 ### Download the official Binary package