update example

index.html

@@ -903,7 +903,7 @@
         BootstrapDialog.DEFAULT_TEXTS['CONFIRM'] = '确认';
         
         // <script src="js/bootstrap-dialog.js"></script>
-        // <script src="js/i18n-zh_cn.js.js"></script>
+        // <script src="js/i18n-zh_cn.js"></script>
         BootstrapDialog.alert('Hello');
         BootstrapDialog.confirm('Hello');
         -->