Reword CHANGELOG entry

Author: jakezatecky

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### New Features
 
-* [#79]: Add the ability to expand or collapse all nodes in the tree
+* [#79]: Add `showExpandAll` property to give the user the ability to expand or collapse all nodes in the tree
 * [#102]: Add `icons` property to allow specification of icon components
 * [#103]: Add `title` node property and `showNodeTitle` tree property
 * [#108]: Add `lang` property for language customization