diff --git a/app/Config/Routing.php b/app/Config/Routing.php
index 8d3c773157cf..c0234da8df91 100644
--- a/app/Config/Routing.php
+++ b/app/Config/Routing.php
@@ -63,13 +63,12 @@ class Routing extends BaseRouting
 
     /**
      * Sets the class/method that should be called if routing doesn't
-     * find a match. It can be either a closure or the controller/method
-     * name exactly like a route is defined: Users::index
+     * find a match. It can be the controller/method name like: Users::index
      *
      * This setting is passed to the Router class and handled there.
      *
      * If you want to use a closure, you will have to set it in the
-     * class constructor or the routes file by calling:
+     * routes file by calling:
      *
      * $routes->set404Override(function() {
      *    // Do something here
diff --git a/system/Config/Routing.php b/system/Config/Routing.php
index e6d25138f8f0..5f5d9db620a4 100644
--- a/system/Config/Routing.php
+++ b/system/Config/Routing.php
@@ -61,13 +61,12 @@ class Routing extends BaseConfig
 
     /**
      * Sets the class/method that should be called if routing doesn't
-     * find a match. It can be either a closure or the controller/method
-     * name exactly like a route is defined: Users::index
+     * find a match. It can be the controller/method name like: Users::index
      *
      * This setting is passed to the Router class and handled there.
      *
      * If you want to use a closure, you will have to set it in the
-     * class constructor or the routes file by calling:
+     * routes file by calling:
      *
      * $routes->set404Override(function() {
      *    // Do something here