diff --git a/src/ui/controllers/error.go b/src/ui/controllers/error.go
index e9a99fba4..63f9f80ed 100644
--- a/src/ui/controllers/error.go
+++ b/src/ui/controllers/error.go
@@ -4,10 +4,12 @@ import (
 	"github.com/astaxie/beego"
 )
 
+// ErrorController handles beego error pages
 type ErrorController struct {
 	beego.Controller
 }
 
+// Error404 renders the 404 page
 func (ec *ErrorController) Error404() {
 	ec.Data["content"] = "page not found"
 	ec.TplName = "404.tpl"