Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs
===================================================================
diff -u -r52fb2dd367bdca54564201857ed6e0b3cc244693 -r86c5aff166a7a2822ac8d77be371249ee3a155b6
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision 52fb2dd367bdca54564201857ed6e0b3cc244693)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision 86c5aff166a7a2822ac8d77be371249ee3a155b6)
@@ -24,7 +24,6 @@
 using System.Drawing;
 using System.Linq;
 using System.Windows.Forms;
-using Core.Common.Base.Geometry;
 using Core.Common.Controls.TreeView;
 using Core.Common.Gui.ContextMenu;
 using Core.Common.Gui.Forms;
@@ -50,6 +49,9 @@
 
 namespace Ringtoets.Piping.Plugin
 {
+    /// <summary>
+    /// The GUI plug-in for the <see cref="PipingFailureMechanism"/>.
+    /// </summary>
     public class PipingGuiPlugin : GuiPlugin
     {
         public override IRibbonCommandHandler RibbonCommandHandler