diff --git a/docs/html/50x.html b/docs/html/50x.html
index b180ed2..836fb2d 100644
--- a/docs/html/50x.html
+++ b/docs/html/50x.html
@@ -6,9 +6,13 @@
 </style>
 </head>
 <body bgcolor="white" text="black">
-<p>
+<table width="100%" height="100%">
+<tr>
+<td align="center" valign="middle">
 The page you are looking for is temporarily unavailable.<br/>
 Please try again later.
-</p>
+</td>
+</tr>
+</table>
 </body>
 </html>