diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 0e586e6f4a4..ca182c7b337 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -352,7 +352,7 @@ if ((! empty($conf->global->MAIN_VERSION_LAST_UPGRADE) && ($conf->global->MAIN_V
 // Creation of a token against CSRF vulnerabilities
 if (! defined('NOTOKENRENEWAL'))
 {
-	// roulement des jetons car cree a chaque appel
+	// Rolling token at each call ($_SESSION['token'] contains token of previous page)
 	if (isset($_SESSION['newtoken'])) $_SESSION['token'] = $_SESSION['newtoken'];
 
 	// Save in $_SESSION['newtoken'] what will be next token. Into forms, we will add param token = $_SESSION['newtoken']