diff --git a/htdocs/core/class/translate.class.php b/htdocs/core/class/translate.class.php
index 7b6ef9bbde1..14f017bef55 100644
--- a/htdocs/core/class/translate.class.php
+++ b/htdocs/core/class/translate.class.php
@@ -129,7 +129,7 @@ class Translate
 	 *  Return active language code for current user
 	 * 	It's an accessor for this->defaultlang
 	 *
-	 *  @param	int		$mode       0=Long language code, 1=Short language code
+	 *  @param	int		$mode       0=Long language code, 1=Short language code (en, fr, es, ...)
 	 *  @return string      		Language code used (en_US, en_AU, fr_FR, ...)
 	 */
 	function getDefaultLang($mode=0)