diff --git a/index.php b/index.php
index 858e433b98..1ce80b1788 100644
--- a/index.php
+++ b/index.php
@@ -1,5 +1,10 @@
 <?php
 /**
+ *
+ * Your webserver seems to be not configured to use PHP or PHP is not installed. 
+ * Please contact your administrator or follow our documentation: 
+ * https://docs.nextcloud.com/server/13/admin_manual/installation/source_installation.html 
+ *
  * @copyright Copyright (c) 2016, ownCloud, Inc.
  *
  * @author Georg Ehrke <oc.list@georgehrke.com>