Update readme.md

Author: Stason4eg

readme.md

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 [![](https://img.shields.io/badge/Open_in_DevExpress_Support_Center-FF7200?style=flat-square&logo=DevExpress&logoColor=white)](https://supportcenter.devexpress.com/ticket/details/T1002177)
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-*Files to look at*:
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-* [App.js](./dashboard-react-app/src/App.js)
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 # Dashboard for React - How to access API of underlying widgets
 
 The following example shows how to customize options of underlying widgets in the Dashboard Component for React. For this, you need to handle the [onItemWidgetOptionsPrepared](https://docs.devexpress.com/Dashboard/js-DevExpress.Dashboard.ViewerApiExtensionOptions?p=netframework#js_devexpress_dashboard_viewerapiextensionoptions_onitemwidgetoptionsprepared) event.
 
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+## Files to Look At
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+* [App.js](./dashboard-react-app/src/App.js)
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+
 The customized options are listed below:
 
 - The hovered grid row is highlighted in the underlying [dxDataGrid](https://js.devexpress.com/DevExtreme/ApiReference/UI_Components/dxDataGrid/).