diff --git a/Documentation.html b/Documentation.html
index 55532ae75..609ea11e1 100755
--- a/Documentation.html
+++ b/Documentation.html
@@ -516,6 +516,9 @@ $cfg['PmaAbsoluteUri'] = (!empty($_SERVER['HTTPS']) ? 'https' : 'http') . '://'
         is nearly guarenteed to be available on all MySQL servers, while
         sockets are not supported on some platforms.
         <br /><br />
+        To use the socket mode, your MySQL server must be on the same machine
+        as the Web server.
+        <br /><br />
     </dd>
 
     <dt>