diff --git a/filter-binlog-event.md b/filter-binlog-event.md
index 21eef40d97821..0926005c7cad1 100644
--- a/filter-binlog-event.md
+++ b/filter-binlog-event.md
@@ -14,7 +14,7 @@ This document describes how to filter binlog events when you use DM to perform c
 
 ## Configuration
 
-To use binlog event filter, add a `filter` to the task configuration file of DM, as shown below:
+To use binlog event filter, add a `filters` to the task configuration file of DM, as shown below:
 
 ```yaml
 filters: