diff --git a/ja/ebook/13.5.md b/ja/ebook/13.5.md
index 0282bff1..94e17512 100644
--- a/ja/ebook/13.5.md
+++ b/ja/ebook/13.5.md
@@ -100,7 +100,7 @@ EditController
 	}
 	
 	func (this *EditController) Get() {
-		id, _ := strconv.Atoi(this.Ctx.Input.Params(":id"))
+		id, _ := strconv.Atoi(this.Ctx.Input.Params[":id"])
 		this.Data["Post"] = models.GetBlog(id)
 		this.Layout = "layout.tpl"
 		this.TplNames = "new.tpl"