diff --git a/docs/api/context.md b/docs/api/context.md
index 4efb3d0..3e96397 100644
--- a/docs/api/context.md
+++ b/docs/api/context.md
@@ -128,6 +128,7 @@ Note: koa uses the [cookies](https://github.com/jed/cookies) module where option
 ```js
 this.throw(403)
 this.throw('name required', 400)
+this.throw(400, 'name required')
 this.throw('something exploded')
 ```