WPF-956968-Updated readme file

Author: Priyadharshini-Sf4862

README.md

@@ -40,6 +40,10 @@ You can also use the StrokeDashArray property to set the line style to a dashed
 ## Output:
 ![Customize the axis grid lines in WPF Chart](https://user-images.githubusercontent.com/61832185/213699174-b38a6998-c7b1-4df6-a788-348020dfa9e4.png)
 
-## <a name="troubleshooting"></a>Troubleshooting ##
-### Path too long exception
-If you are facing path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.
+## Troubleshooting
+
+#### Path too long exception
+
+If you are facing a path too long exception when building this example project, close Visual Studio and rename the repository to a shorter name before building the project.
+
+For more details, refer to the KB on [how to customize the axis grid lines in WPF Chart?](https://support.syncfusion.com/kb/article/12320/how-to-customize-the-axis-grid-lines-in-wpf-chart-sfchart).