Normalize README phrase [skip ci]

Author: DevExpressExampleBot

README.md

@@ -41,7 +41,7 @@ This example demonstrates how to use the DataGrid component and PivotGrid's [Dri
 
 - [PivotGrid - Drill Down](https://js.devexpress.com/Demos/WidgetsGallery/Demo/PivotGrid/DrillDown)
 <!-- feedback -->
-## Does this example address your development requirements/objectives?
+## Does This Example Address Your Development Requirements/Objectives?
 
 [<img src="https://www.devexpress.com/support/examples/i/yes-button.svg"/>](https://www.devexpress.com/support/examples/survey.xml?utm_source=github&utm_campaign=devextreme-pivotgrid-edit-data-using-datagrid&~~~was_helpful=yes) [<img src="https://www.devexpress.com/support/examples/i/no-button.svg"/>](https://www.devexpress.com/support/examples/survey.xml?utm_source=github&utm_campaign=devextreme-pivotgrid-edit-data-using-datagrid&~~~was_helpful=no)