documentation fix

Author: Kurtis LoVerde

demo.html

@@ -328,7 +328,7 @@ <h3>Complex type:  mathematical expression</h3>
             <li>An integer followed by a plus sign</li>
          </ul>
          <p>The regular expression for that is <code>/^\d+\+?$/</code>.  Putting it all together, we get:</p>
-         <code>cfg.addType( "additionExpr", /^\d+\+\d+$/, /^\d+$|^\d+\+$/ );</code><br/><br/>
+         <code>cfg.addType( "additionExpr", /^\d+\+\d+$/, /^\d+\+?$/ );</code><br/><br/>
          <input type="text" id="txtAdditionExpr" />
       </div>