diff --git a/server_variables.php b/server_variables.php
index 4616395ac8..fefa1196f5 100644
--- a/server_variables.php
+++ b/server_variables.php
@@ -32,6 +32,7 @@ require './libraries/server_links.inc.php';
 echo '<h2>' . "\n"
    . ($cfg['MainPageIconic'] ? '<img class="icon" src="' . $pmaThemeImage . 's_vars.png" width="16" height="16" alt="" />' : '')
    . '' . __('Server variables and settings') . "\n"
+   . PMA_showMySQLDocu('server_system_variables','server_system_variables')
    . '</h2>' . "\n";