diff -u b/core/modules/migrate_drupal/migrate_drupal.install b/core/modules/migrate_drupal/migrate_drupal.install
--- b/core/modules/migrate_drupal/migrate_drupal.install
+++ b/core/modules/migrate_drupal/migrate_drupal.install
@@ -1,6 +1,11 @@
 <?php
 
 /**
+ * @file
+ * Contains install and update functions for Migrate Drupal
+ */
+
+/**
  * Creates migrate_drupal.settings config object.
  */
 function migrate_drupal_update_8401() {