diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 44cbe0ec1e2..863ea37deb1 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2638,7 +2638,8 @@ function dol_check_secure_access_document($modulepart, $original_file, $entity,
 		}
 		$original_file = $conf->user->dir_output.'/'.$original_file;
 	} elseif ($modulepart == 'userphotopublic' && !empty($conf->user->dir_output)) {
-		// Wrapping for users photos that were set to public by their owner (public user photos can be read with the public link and securekey)
+		// Wrapping for users photos that were set to public (for virtual credit card) by their owner (public user photos can be read
+		// with the public link and securekey)
 		$accessok = false;
 		$reg = array();
 		if (preg_match('/^(\d+)\/photos\//', $original_file, $reg)) {
diff --git a/htdocs/viewimage.php b/htdocs/viewimage.php
index e2adaa6700f..33d6d817916 100644
--- a/htdocs/viewimage.php
+++ b/htdocs/viewimage.php
@@ -70,7 +70,7 @@ if (isset($_GET["modulepart"])) {
 	if ($_GET["modulepart"] == 'medias') {
 		$needlogin = 0;
 	}
-	// User photo
+	// User photo when user has made its profile public (for virtual credi card)
 	if ($_GET["modulepart"] == 'userphotopublic') {
 		$needlogin = 0;
 	}