diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 2eb1802d303..5f46e9632c7 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -783,7 +783,7 @@ function checkVal($out = '', $check = 'alphanohtml', $filter = null, $options =
 				// keep lines feed
 			}
 			break;
-		case 'alphawithlgt':		// No " and no ../ but we keep balanced < > tags with no special chars inside. Can be used for email string like "Name <email>"
+		case 'alphawithlgt':		// No " and no ../ but we keep balanced < > tags with no special chars inside. Can be used for email string like "Name <email>". Less secured than 'alphanohtml'
 			if (!is_array($out)) {
 				$out = trim($out);
 				do {