diff --git a/public/help/wiki_syntax.html b/public/help/wiki_syntax.html
index f02eb62a..17b54a0b 100644
--- a/public/help/wiki_syntax.html
+++ b/public/help/wiki_syntax.html
@@ -1,9 +1,11 @@
-<html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta http-equiv="Content-Style-Type" content="text/css" />
 <title>Wiki formatting</title>
-<link rel="stylesheet" href="html.css" type="text/css">
-<style>
+<link rel="stylesheet" href="html.css" type="text/css" />
+<style type="text/css">
 h1 { font-family: Verdana, sans-serif; font-size: 14px; text-align: center; color: #444; }
 table { font-family: Verdana, sans-serif; font-size: 12px; color: #444; }
 table td { vertical-align: top; background-color: #f5f5f5; height: 2em; vertical-align: middle;}
@@ -20,13 +22,13 @@ table td h3 { font-size: 1.2em; text-align: left; }
 
 <table width="100%">
 <tr><th colspan="3">Font Styles</th></tr>
-<tr><th><img src="../../images/jstoolbar/bt_strong.png" style="border: 1px solid #bbb;" /></th><td width="50%">*Strong*</td><td width="50%"><strong>Strong</strong></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_em.png" style="border: 1px solid #bbb;" /></th><td>_Italic_</td><td><em>Italic</em></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_ins.png" style="border: 1px solid #bbb;" /></th><td>+Underline+</td><td><ins>Underline</ins></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_del.png" style="border: 1px solid #bbb;" /></th><td>-Deleted-</td><td><del>Deleted</del></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_quote.png" style="border: 1px solid #bbb;" /></th><td>??Quote??</td><td><cite>Quote</cite></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_code.png" style="border: 1px solid #bbb;" /></th><td>@Code@</td><td><code>Code</code></td></tr>
-<tr><th></th><td>&lt;pre><br>&nbsp;lines<br />&nbsp;of code<br />&lt;/pre></td><td>
+<tr><th><img src="../../images/jstoolbar/bt_strong.png" style="border: 1px solid #bbb;" alt="Strong" /></th><td width="50%">*Strong*</td><td width="50%"><strong>Strong</strong></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_em.png" style="border: 1px solid #bbb;" alt="Italic" /></th><td>_Italic_</td><td><em>Italic</em></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_ins.png" style="border: 1px solid #bbb;" alt="Underline" /></th><td>+Underline+</td><td><ins>Underline</ins></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_del.png" style="border: 1px solid #bbb;" alt="Deleted" /></th><td>-Deleted-</td><td><del>Deleted</del></td></tr>
+<tr><th></th><td>??Quote??</td><td><cite>Quote</cite></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_code.png" style="border: 1px solid #bbb;" alt="Inline Code" /></th><td>@Inline Code@</td><td><code>Inline Code</code></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_pre.png" style="border: 1px solid #bbb;" alt="Preformatted text" /></th><td>&lt;pre><br />&nbsp;lines<br />&nbsp;of code<br />&lt;/pre></td><td>
 <pre>
  lines
  of code
@@ -34,24 +36,24 @@ table td h3 { font-size: 1.2em; text-align: left; }
 </td></tr>
 
 <tr><th colspan="3">Lists</th></tr>
-<tr><th><img src="../../images/jstoolbar/bt_ul.png" style="border: 1px solid #bbb;" /></th><td>* Item 1<br />* Item 2</td><td><ul><li>Item 1</li><li>Item 2</li></ul></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_ol.png" style="border: 1px solid #bbb;" /></th><td># Item 1<br /># Item 2</td><td><ol><li>Item 1</li><li>Item 2</li></ol></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_ul.png" style="border: 1px solid #bbb;" alt="Unordered list" /></th><td>* Item 1<br />* Item 2</td><td><ul><li>Item 1</li><li>Item 2</li></ul></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_ol.png" style="border: 1px solid #bbb;" alt="Ordered list" /></th><td># Item 1<br /># Item 2</td><td><ol><li>Item 1</li><li>Item 2</li></ol></td></tr>
 
 <tr><th colspan="3">Headings</th></tr>
-<tr><th></th><td>h1. Title 1</td><td><h1>Title 1</h1></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_heading.png" style="border: 1px solid #bbb;" /></th><td>h2. Title 2</td><td><h2>Title 2</h2></td></tr>
-<tr><th></th><td>h3. Title 3</td><td><h3>Title 3</h3></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_h1.png" style="border: 1px solid #bbb;" alt="Heading 1" /></th><td>h1. Title 1</td><td><h1>Title 1</h1></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_h2.png" style="border: 1px solid #bbb;" alt="Heading 2" /></th><td>h2. Title 2</td><td><h2>Title 2</h2></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_h3.png" style="border: 1px solid #bbb;" alt="Heading 3" /></th><td>h3. Title 3</td><td><h3>Title 3</h3></td></tr>
 
 <tr><th colspan="3">Links</th></tr>
 <tr><th></th><td>http://foo.bar</td><td><a href="#">http://foo.bar</a></td></tr>
-<tr><th><img src="../../images/jstoolbar/bt_link.png" style="border: 1px solid #bbb;" /></th><td>[[Wiki page]]</td><td><a href="#">Wiki page</a></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_link.png" style="border: 1px solid #bbb;" alt="Link to a Wiki page" /></th><td>[[Wiki page]]</td><td><a href="#">Wiki page</a></td></tr>
 <tr><th></th><td>Issue #12</td><td>Issue <a href="#">#12</a></td></tr>
 <tr><th></th><td>Revision r43</td><td>Revision <a href="#">r43</a></td></tr>
 
 <tr><th colspan="3">Inline images</th></tr>
-<tr><th></th><td>!<em>image_url</em>!</td><td></td></tr>
+<tr><th><img src="../../images/jstoolbar/bt_img.png" style="border: 1px solid #bbb;" alt="Image" /></th><td>!<em>image_url</em>!</td><td></td></tr>
 <tr><th></th><td>!<em>attached_image</em>!</td><td></td></tr>
 </table>
 
 </body>
-</html>
\ No newline at end of file
+</html>
