Update PieandDoughnut.md

Author: Priyadharshini4862

wpf/Charts/SeriesTypes/PieandDoughnut.md

@@ -106,7 +106,7 @@ The small segments in the pie chart can be grouped into the “others” categor
             <DataTemplate x:Key="DataLabelTemplate">
                 <StackPanel Orientation="Vertical" Margin="5">
                     <TextBlock Text="{Binding Converter={StaticResource DataLabelConverter}}"                          
-                            Margin="3" Foreground="White">
+                               Margin="3" Foreground="White">
                     </TextBlock>
                 </StackPanel>
             </DataTemplate>
@@ -149,6 +149,8 @@ The small segments in the pie chart can be grouped into the “others” categor
 
 ![WPF Pie Chart with Grouping](Series_images/wpf-pie-chart-grouping.png)
 
+You can explore our KB article on showing adornment labels for grouped values in WPF Circular Chart to learn [`how to configure and display labels for grouped values`](https://support.syncfusion.com/kb/article/21684/how-to-show-adornment-labels-for-grouped-values-in-wpf-circular-chart) effectively.
+
 **Pie series with grouping (Mode - Angle)**
 
 {% tabs %}