diff --git a/index.php b/index.php
index f9191db..52bbe80 100644
--- a/index.php
+++ b/index.php
@@ -57,7 +57,7 @@
     </div>
     <div id="footer">
       <iframe src="//www.facebook.com/plugins/like.php?href=http%3A%2F%2Fogp.me%2F&send=false&layout=standard&width=450&show_faces=true&action=like&colorscheme=light&height=80&appId=115190258555800" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:80px;" allowTransparency="true"></iframe>
-      <p>The Open Graph protocol was originally created at Facebook and is inspired by <a href="http://en.wikipedia.org/wiki/Dublin_Core">Dublin Core</a>, <a href="http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html">link-rel canonical</a>, <a href="http://microformats.org/">Microformats</a>, and <a href="http://en.wikipedia.org/wiki/RDFa">RDFa</a>. The specification described on this page is available under the <a href="http://openwebfoundation.org/legal/the-0-9-agreements---necessary-claims">Open Web Foundation Agreement, Version 0.9</a>. This website is <a href="https://github.com/facebook/open-graph-protocol">Open Source</a>. Last updated <?php $updated_time = filemtime( $base_dir . '/content/index.markdown' ); ?><time pubdate="<?php echo date('c', $updated_time); ?>"><?php date_default_timezone_set('UTC'); echo date( 'F dS, Y', $updated_time ); ?></time></p>
+      <p>The Open Graph protocol was originally created at Facebook and is inspired by <a href="http://en.wikipedia.org/wiki/Dublin_Core">Dublin Core</a>, <a href="http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html">link-rel canonical</a>, <a href="http://microformats.org/">Microformats</a>, and <a href="http://en.wikipedia.org/wiki/RDFa">RDFa</a>. The specification described on this page is available under the <a href="http://www.openwebfoundation.org/legal/the-0-9-agreements---necessary-claims">Open Web Foundation Agreement, Version 0.9</a>. This website is <a href="https://github.com/facebook/open-graph-protocol">Open Source</a>. Last updated <?php $updated_time = filemtime( $base_dir . '/content/index.markdown' ); ?><time pubdate="<?php echo date('c', $updated_time); ?>"><?php date_default_timezone_set('UTC'); echo date( 'F dS, Y', $updated_time ); ?></time></p>
     </div>
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