diff --git a/htdocs/core/modules/mailings/advthirdparties.modules.php b/htdocs/core/modules/mailings/advthirdparties.modules.php
index 1e04fe5459d..a9b11f8af5f 100644
--- a/htdocs/core/modules/mailings/advthirdparties.modules.php
+++ b/htdocs/core/modules/mailings/advthirdparties.modules.php
@@ -200,6 +200,7 @@ class mailing_advthirdparties extends MailingTargets
 	 *	For example if this selector is used to extract 500 different
 	 *	emails from a text file, this function must return 500.
 	 *
+	 *  @param	string	$sql 		Not use here
 	 *	@return		int			Nb of recipients
 	 */
 	function getNbOfRecipients($sql)