diff -r 346c88efed21 -r 5e2f62d02dcd wp/wp-admin/network/edit.php
--- a/wp/wp-admin/network/edit.php	Mon Jun 08 16:11:51 2015 +0000
+++ b/wp/wp-admin/network/edit.php	Tue Jun 09 03:35:32 2015 +0200
@@ -18,9 +18,24 @@
 	exit;
 }
 
-do_action( 'wpmuadminedit' , '' );
+/**
+ * Fires just before the action handler in several Network Admin screens.
+ *
+ * This hook fires on multiple screens in the Multisite Network Admin,
+ * including Users, Network Settings, and Site Settings.
+ *
+ * @since 3.0.0
+ */
+do_action( 'wpmuadminedit' );
 
-// Let plugins use us as a post handler easily
+/**
+ * Fires the requested handler action.
+ *
+ * The dynamic portion of the hook name, `$_GET['action']`, refers to the name
+ * of the requested action.
+ *
+ * @since 3.1.0
+ */
 do_action( 'network_admin_edit_' . $_GET['action'] );
 
 wp_redirect( network_admin_url() );