HTML markup fix to Guide

website/guide/duktapebuiltins.html

@@ -8,18 +8,25 @@ objects, methods, and values.</p>
 <table>
 <thead>
 <tr>
-<th>Property</th><th>Description</th>
+<th>Property</th>
+<th>Description</th>
 </tr>
 </thead>
 <tbody>
-<tr><td class="propname"><a href="#builtin-duktape">Duktape</a></td>
+<tr>
-    <td>The Duktape built-in object.  Contains miscellaneous implementation specific stuff.</td></tr>
+<td class="propname"><a href="#builtin-duktape">Duktape</a></td>
-<tr><td class="propname"><a href="#builtin-textencoder">TextEncoder</a></td>
+<td>The Duktape built-in object.  Contains miscellaneous implementation specific stuff.</td>
+</tr>
+<tr>
+<td class="propname"><a href="#builtin-textencoder">TextEncoder</a></td>
 <td>TextEncoder() from <a href="https://encoding.spec.whatwg.org/">WHATWG Encoding API</a>.
-        Converts a string into a buffer using UTF-8 encoding.</td></td>
+    Converts a string into a buffer using UTF-8 encoding.</td>
-<tr><td class="propname"><a href="#builtin-textdecoder">TextDecoder</a></td>
+</tr>
+<tr>
+<td class="propname"><a href="#builtin-textdecoder">TextDecoder</a></td>
 <td>TextDecoder() from <a href="https://encoding.spec.whatwg.org/">WHATWG Encoding API</a>.
-        Converts a buffer into a string using UTF-8 encoding.</td></td>
+    Converts a buffer into a string using UTF-8 encoding.</td>
+</tr>
 </tbody>
 </table>