Index: Ringtoets/Piping/src/Ringtoets.Piping.Primitives/RingtoetsPipingSurfaceLine.cs
===================================================================
diff -u -r11f0867b39150ae5fac83dc178a89fee46d27611 -re60dbf2fd41434270cad4efba20446e19ede0d2e
--- Ringtoets/Piping/src/Ringtoets.Piping.Primitives/RingtoetsPipingSurfaceLine.cs	(.../RingtoetsPipingSurfaceLine.cs)	(revision 11f0867b39150ae5fac83dc178a89fee46d27611)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Primitives/RingtoetsPipingSurfaceLine.cs	(.../RingtoetsPipingSurfaceLine.cs)	(revision e60dbf2fd41434270cad4efba20446e19ede0d2e)
@@ -365,7 +365,7 @@
         {
             if (point == null)
             {
-                throw new ArgumentNullException("point", "Cannot find a point in geometry using a null point.");
+                throw new ArgumentNullException("point", @"Cannot find a point in geometry using a null point.");
             }
             return Points.FirstOrDefault(p => p.Equals(point));
         }