diff --git a/lib/tpl/dokuwiki/images/button-html5.png b/lib/tpl/dokuwiki/images/button-html5.png
new file mode 100644
index 0000000000000000000000000000000000000000..5885a331bb0a14ad1bfa14e5770d69eaa70e8428
Binary files /dev/null and b/lib/tpl/dokuwiki/images/button-html5.png differ
diff --git a/lib/tpl/dokuwiki/images/button-xhtml.png b/lib/tpl/dokuwiki/images/button-xhtml.png
deleted file mode 100644
index ec686442cc1242d75bc95de7e48803f86f8c1862..0000000000000000000000000000000000000000
Binary files a/lib/tpl/dokuwiki/images/button-xhtml.png and /dev/null differ
diff --git a/lib/tpl/dokuwiki/tpl_footer.php b/lib/tpl/dokuwiki/tpl_footer.php
index 3a2e3d12143dc822c5ddb228c8cb9f4c9388fd78..b7dc9c6317be3f6ec41c32dc57d5c061a4c89d98 100644
--- a/lib/tpl/dokuwiki/tpl_footer.php
+++ b/lib/tpl/dokuwiki/tpl_footer.php
@@ -20,8 +20,8 @@ if (!defined('DOKU_INC')) die();
             src="<?php echo tpl_basedir(); ?>images/button-donate.gif" width="80" height="15" alt="Donate" /></a>
         <a href="http://www.php.net" title="Powered by PHP" <?php echo $target?>><img
             src="<?php echo tpl_basedir(); ?>images/button-php.gif" width="80" height="15" alt="Powered by PHP" /></a>
-        <a href="http://validator.w3.org/check/referer" title="Valid XHTML 1.0" <?php echo $target?>><img
-            src="<?php echo tpl_basedir(); ?>images/button-xhtml.png" width="80" height="15" alt="Valid XHTML 1.0" /></a>
+        <a href="http://validator.w3.org/check/referer" title="Valid HTML5" <?php echo $target?>><img
+            src="<?php echo tpl_basedir(); ?>images/button-html5.png" width="80" height="15" alt="Valid HTML5" /></a>
         <a href="http://jigsaw.w3.org/css-validator/check/referer?profile=css3" title="Valid CSS" <?php echo $target?>><img
             src="<?php echo tpl_basedir(); ?>images/button-css.png" width="80" height="15" alt="Valid CSS" /></a>
         <a href="http://dokuwiki.org/" title="Driven by DokuWiki" <?php echo $target?>><img