Index: Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationActivity.cs
===================================================================
diff -u -r1b0460d5f81926d0366ab10e4b0e9f6d75809c71 -r73d7f318e9a02087ac21dde7d3728d8eac27a9f5
--- Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationActivity.cs	(.../DesignWaterLevelCalculationActivity.cs)	(revision 1b0460d5f81926d0366ab10e4b0e9f6d75809c71)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationActivity.cs	(.../DesignWaterLevelCalculationActivity.cs)	(revision 73d7f318e9a02087ac21dde7d3728d8eac27a9f5)
@@ -47,7 +47,8 @@
         /// <param name="ringId">The id of the ring to perform the calculation for.</param>
         /// <param name="norm">The norm to use during the calculation.</param>
         /// <param name="messageProvider">The provider of the messages to use during the calculation.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocation"/> is <c>null</c>.</exception>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocation"/> or 
+        /// <paramref name="messageProvider"/>is <c>null</c>.</exception>
         public DesignWaterLevelCalculationActivity(HydraulicBoundaryLocation hydraulicBoundaryLocation,
                                                    string hydraulicBoundaryDatabaseFilePath,
                                                    string ringId,