diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15676d7a..06e367dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,4 @@
# 2.34.0-0 / Unreleased
- * TODO: tree.hasFocus() more reliable.
* [DEPRECATED] jQuery UI widget methods:
Use `tree.METHOD()` instead of `$().fancytree("METHOD")`.
* [Added] `tree.debugTime()`, `tree.debugTimeEnd()` for debugging.
diff --git a/demo/sample-3rd-jQuery-contextMenu.html b/demo/sample-3rd-jQuery-contextMenu.html
index edd8315a..6e414d91 100644
--- a/demo/sample-3rd-jQuery-contextMenu.html
+++ b/demo/sample-3rd-jQuery-contextMenu.html
@@ -13,8 +13,8 @@
-
@@ -30,6 +30,8 @@
$(function() {
$("#tree").fancytree({
extensions: [],
+ // checkbox: true,
+ // selectMode: 2,
source: {
url: "ajax-tree-plain.json"
},