diff --git a/migrate-with-more-columns-downstream.md b/migrate-with-more-columns-downstream.md
index a926a9eede314..3c9ebf53faffb 100644
--- a/migrate-with-more-columns-downstream.md
+++ b/migrate-with-more-columns-downstream.md
@@ -77,7 +77,7 @@ In such cases, you can use the `binlog-schema` command to set a table schema for
 
     |Parameter |Description|
     |:-- |:---|
-    |`-master-addr` |Specifies `${advertise-addr}` of any DM-master node in the cluster where dmctl is to be connected. `${advertise-addr}` indicates the address that DM-master advertises to the outside world.|
+    |`--master-addr` |Specifies `${advertise-addr}` of any DM-master node in the cluster where dmctl is to be connected. `${advertise-addr}` indicates the address that DM-master advertises to the outside world.|
     |`binlog-schema set`| Manually set the schema information.|
     |`-s` | Specifies the source. `${source-id}` indicates the source ID of MySQL data.|
     |`${task-name}`| Specifies the name of the migration task defined in the `task.yaml` configuration file of the data migration task.|