Update README.md

Author: SreemonPremkumarM

README.md

@@ -2,7 +2,7 @@
 
 This example illustrates how to create the single group for null and empty value in [WinForms DataGrid](https://www.syncfusion.com/winforms-ui-controls/datagrid) (SfDataGrid).
 
-By default, empty and null values are created the separate groups in `SfDataGrid`. You can able to create the single group for empty and null value by using [KeySelector](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.GroupColumnDescription.html#Syncfusion_WinForms_DataGrid_GroupColumnDescription_KeySelector) in [GroupColumnDescriptions](https://help.syncfusion.com/cr/Syncfusion.WinForms.DataGrid.GroupColumnDescription.html).
+By default, empty and null values are created the separate groups in `SfDataGrid`. You can able to create the single group for empty and null value by using [KeySelector](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.GroupColumnDescription.html#Syncfusion_WinForms_DataGrid_GroupColumnDescription_KeySelector) in [GroupColumnDescriptions](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.GroupColumnDescription.html).
 
 ```csharp
 this.sfDataGrid.GroupColumnDescriptions.Add(new GroupColumnDescription()
@@ -20,4 +20,4 @@ this.sfDataGrid.GroupColumnDescriptions.Add(new GroupColumnDescription()
 });
 ```
 
-![DataGrid with null and empty value grouping](DataGridWithGrouping.png)
+![DataGrid with null and empty value grouping](DataGridWithGrouping.png)