diff --git a/includes/module.inc b/includes/module.inc
index d932f07..8c6a2ef 100644
--- a/includes/module.inc
+++ b/includes/module.inc
@@ -71,6 +71,7 @@ function module_list($refresh = FALSE, $bootstrap_refresh = FALSE, $sort = FALSE
     $sorted_list = NULL;
     if ($fixed_list) {
       foreach ($fixed_list as $name => $module) {
+        // We don't change anything.
         drupal_get_filename('module', $name, $module['filename']);
         $list[$name] = $name;
       }