diff --git a/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php b/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
index 51e0350a8ad..82632773c87 100644
--- a/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
+++ b/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2004-2017  Laurent Destailleur <eldy@users.sourceforge.net>
- * Copyright (C) 2018-2020  Frédéric France     <frederic.france@netlogic.fr>
+ * Copyright (C) 2018-2021  Frédéric France     <frederic.france@netlogic.fr>
  * Copyright (C) ---Put here your own copyright and developer email---
  *
  * This program is free software: you can redistribute it and/or modify
@@ -206,7 +206,7 @@ class mymodulewidget1 extends ModeleBoxes
 	 * @param array $head       Array with properties of box title
 	 * @param array $contents   Array with properties of box lines
 	 * @param int   $nooutput   No print, only return string
-	 * @return void
+	 * @return string
 	 */
 	public function showBox($head = null, $contents = null, $nooutput = 0)
 	{