Update index.md

adjusting table formatting

Author: kristenORM

styleguide/index.md

@@ -820,7 +820,6 @@ title: O'Reilly Style Guide
 <td><p>Language and script elements: class names, types, namespaces, attributes, methods, variables, keywords, functions, modules, commands, properties, parameters, values, objects, events, XML and HTML tags, and similar elements. Some examples include: <code>System.Web.UI</code>, a <code>while</code> loop, the <code>Socket</code> class, and the <code>Obsolete</code> attribute. <strong>Exception:</strong> commands in Unix, Oracle, and Linux book, which are regular italics.</p></td>
 <td><p><code>Constant width</code></p></td>
 </tr>
-<tr>
 <tr>
  <td><p>SQL commands (<code>SELECT</code>, <code>INSERT</code>, <code>ALTER TABLE</code>, <code>CREATE INDEX</code>, etc.)</p></td>
 <td><p><code>CONSTANT WIDTH CAPS</code></p></td>