diff --git a/README.md b/README.md
index 2579049..0380b95 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ It's same as `-reporter` flag of reviewdog.
 ### `filter_mode`
 
 Optional. Filtering mode for the reviewdog command [added,diff_context,file,nofilter].
-Default is added.
+Default is file.
 
 ### `fail_on_error`
 
diff --git a/action.yml b/action.yml
index 6783753..b1f5d06 100644
--- a/action.yml
+++ b/action.yml
@@ -24,8 +24,8 @@ inputs:
   filter_mode:
     description: |
       Filtering mode for the reviewdog command [added,diff_context,file,nofilter].
-      Default is added.
-    default: 'added'
+      Default is file.
+    default: 'file'
     required: true
   fail_on_error:
     description: |