Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/TopLevelFaultTreeIllustrationPointProperties.cs
===================================================================
diff -u -ra49798da6ac2176d2e8b28ec6fec8a2494d8ee91 -r3e5d6f7c7f61eb17c81d1f80d2e55fda103f766d
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/TopLevelFaultTreeIllustrationPointProperties.cs	(.../TopLevelFaultTreeIllustrationPointProperties.cs)	(revision a49798da6ac2176d2e8b28ec6fec8a2494d8ee91)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/TopLevelFaultTreeIllustrationPointProperties.cs	(.../TopLevelFaultTreeIllustrationPointProperties.cs)	(revision 3e5d6f7c7f61eb17c81d1f80d2e55fda103f766d)
@@ -166,8 +166,8 @@
                         continue;
                     }
 
-                    // If type is not supported, throw exception (currently not possible, safeguard for future)
-                    throw new NotSupportedException($"IllustrationPointNode of type {nameof(FaultTreeIllustrationPoint)} is not supported. Supported types: {nameof(FaultTreeIllustrationPoint)} and {nameof(SubMechanismIllustrationPoint)}");
+                    throw new NotSupportedException($"IllustrationPointNode of type {nameof(FaultTreeIllustrationPoint)} is not supported. " +
+                                                    $"Supported types: {nameof(FaultTreeIllustrationPoint)} and {nameof(SubMechanismIllustrationPoint)}");
                 }
                 return points.ToArray();
             }