diff --git a/docs/en/designers/language-variables/language-variables-smarty.xml b/docs/en/designers/language-variables/language-variables-smarty.xml
index c6d2d9fe..64c30381 100644
--- a/docs/en/designers/language-variables/language-variables-smarty.xml
+++ b/docs/en/designers/language-variables/language-variables-smarty.xml
@@ -20,22 +20,22 @@
    <title>displaying request variables</title>
    <programlisting>
 <![CDATA[
-{* display value of page from URL (GET) http://www.example.com/index.php?page=foo *}
+{* display value of page from URL ($_GET) http://www.example.com/index.php?page=foo *}
 {$smarty.get.page}
 
-{* display the variable "page" from a form (POST) *}
+{* display the variable "page" from a form ($_POST['page']) *}
 {$smarty.post.page}
 
-{* display the value of the cookie "username" *}
+{* display the value of the cookie "username" ($_COOKIE['username']) *}
 {$smarty.cookies.username}
 
-{* display the server variable "SERVER_NAME" *}
+{* display the server variable "SERVER_NAME" ($_SERVER['SERVER_NAME'])*}
 {$smarty.server.SERVER_NAME}
 
 {* display the system environment variable "PATH" *}
 {$smarty.env.PATH}
 
-{* display the php session variable "id" *}
+{* display the php session variable "id" ($_SESSION['id']) *}
 {$smarty.session.id}
 
 {* display the variable "username" from merged get/post/cookies/server/env *}