diff --git a/blazor/treegrid/columns/column-chooser.md b/blazor/treegrid/columns/column-chooser.md
index 7a586af5d0..71e233b827 100644
--- a/blazor/treegrid/columns/column-chooser.md
+++ b/blazor/treegrid/columns/column-chooser.md
@@ -22,7 +22,7 @@ The column chooser has options to show or hide columns dynamically. It can be en
     <TreeGridColumns>
         <TreeGridColumn Field="TaskId" HeaderText="Task ID" Width="80" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right"></TreeGridColumn>
         <TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="90" ShowInColumnChooser="false"></TreeGridColumn>
-        <TreeGridColumn Field="StartDate" HeaderText=" Start Date" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Format="yMd" Type="Syncfusion.Blazor.Grids.ColumnType.Date" Width="90"></TreeGridColumn>
+        <TreeGridColumn Field="StartDate" HeaderText="Start Date" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Format="yMd" Type="Syncfusion.Blazor.Grids.ColumnType.Date" Width="90"></TreeGridColumn>
         <TreeGridColumn Field="Duration"  HeaderText="Duration" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
         <TreeGridColumn Field="Progress" HeaderText="Progress" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
     </TreeGridColumns>
@@ -98,7 +98,7 @@ The column chooser has options to show or hide columns dynamically. It can be en
     <TreeGridColumns>
         <TreeGridColumn Field="TaskId" HeaderText="Task ID" Width="80" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right"></TreeGridColumn>
         <TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="90" ShowInColumnChooser="false"></TreeGridColumn>
-        <TreeGridColumn Field="StartDate" HeaderText=" Start Date" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Format="yMd" Type="Syncfusion.Blazor.Grids.ColumnType.Date" Width="90"></TreeGridColumn>
+        <TreeGridColumn Field="StartDate" HeaderText="Start Date" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Format="yMd" Type="Syncfusion.Blazor.Grids.ColumnType.Date" Width="90"></TreeGridColumn>
         <TreeGridColumn Field="Duration"  HeaderText="Duration" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
         <TreeGridColumn Field="Progress" HeaderText="Progress" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
     </TreeGridColumns>