diff --git a/core/modules/help/help.api.php b/core/modules/help/help.api.php
index 4e3850c..e636482 100644
--- a/core/modules/help/help.api.php
+++ b/core/modules/help/help.api.php
@@ -1,3 +1,5 @@
+<?php
+
 /**
  * @file
  * Hooks for the Help system.