Update Readme.md

Author: iam0k

Readme.md

@@ -10,8 +10,7 @@
 * [MainWindow.xaml](./CS/ChildrenSelector/MainWindow.xaml) (VB: [MainWindow.xaml](./VB/ChildrenSelector/MainWindow.xaml))
 * [ViewModel.cs](./CS/ChildrenSelector/ViewModel.cs) (VB: [ViewModel.vb](./VB/ChildrenSelector/ViewModel.vb))
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-# How to bind the AccordionControl to data using the ChildrenSelector property
-
+# WPF Accordion Control - Bind to a data source that contains hierarchical data objects of different types
 
 This example demonstrates how to bind the <a href="https://documentation.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionControl.class">AccordionControl</a> to data using the <a href="https://documentation.devexpress.com/WPF/DevExpress.Xpf.Accordion.AccordionControl.ChildrenSelector.property">AccordionControl.ChildrenSelector</a> property.<br>Refer to the <a href="https://documentation.devexpress.com/WPF/118635/Controls-and-Libraries/Navigation-Controls/Accordion-Control/Data-Binding">Data Binding</a> topic to learn more.