Fix(Docs): locales

Author: mugifly

jquery.simple-dtpicker.html

@@ -98,7 +98,7 @@ <h5>Available locales:</h5>
 			<li>"es" : Spanish - Thanks to: <a href="https://github.com/maw">maw</a></li>
 			<li>"ko" : Korean - Thanks to: <a href="https://github.com/perhapsspy">perhapsspy</a></li>
 			<li>"pt" : Portuguese - Thanks to: <a href="https://github.com/adc-tcarvalho">adc-tcarvalho</a></li>
-			<li>"dt" : Dutch - Thanks to: <a href="https://github.com/Mondane">Mondane</a></li>
+			<li>"nl" : Dutch (Naderlands) - Thanks to: <a href="https://github.com/Mondane">Mondane</a></li>
 		</ul>
 
 		<h4>Change the interval of minute ("minuteInterval": 15)</h4>