diff --git a/includes/MediaEntityTranslationHandler.inc b/includes/MediaEntityTranslationHandler.inc
index 2027b80..4e78ed1 100644
--- a/includes/MediaEntityTranslationHandler.inc
+++ b/includes/MediaEntityTranslationHandler.inc
@@ -11,11 +11,16 @@
  */
 class MediaEntityTranslationHandler extends EntityTranslationDefaultHandler {
 
+  /**
+   * Constructor function.
+   */
   public function __construct($entity_type, $entity_info, $entity) {
     parent::__construct('file', $entity_info, $entity);
   }
 
   /**
+   * Entity form handler.
+   *
    * @see EntityTranslationDefaultHandler::entityForm()
    */
   public function entityForm(&$form, &$form_state) {