Data-attribute: minor mods to warning elements layout

Closes gh-272

Author: agcolom

pages/data-attribute.html

@@ -150,7 +150,7 @@ <h2>Content</h2>
 <table class="column-headers">
 	<tr>
 		<th>data-theme</th>
-		<td><p class="warning">Deprecated as of 1.4.0 and will be removed in 1.5.0.</p> swatch letter (a-z)</td>
+		<td>swatch letter (a-z)<span class="warning">Deprecated as of 1.4.0 and will be removed in 1.5.0.</span></td>
 	</tr>
 </table>
 <p></p>