Index: Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs
===================================================================
diff -u -r533cc8038f03f3acb30f4db787a3d583f93f7008 -rcd7078972189cf51d899754097ef3cbc0ddc26ee
--- Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs	(.../DesignWaterLevelCalculationServiceTest.cs)	(revision 533cc8038f03f3acb30f4db787a3d583f93f7008)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.Test/DesignWaterLevelCalculationServiceTest.cs	(.../DesignWaterLevelCalculationServiceTest.cs)	(revision cd7078972189cf51d899754097ef3cbc0ddc26ee)
@@ -138,7 +138,7 @@
             const string calculationName = "locationName";
             const string calculationNotConvergedMessage = "calculationNotConvergedMessage";
             const string ringId = "ringId";
-            const double norm = 30;
+            const double returnPeriod = 30;
 
             var mockRepository = new MockRepository();
             var calculationMessageProviderMock = mockRepository.Stub<ICalculationMessageProvider>();
@@ -159,14 +159,14 @@
                 new DesignWaterLevelCalculationService().Calculate(hydraulicBoundaryLocation,
                                                                    validFilePath,
                                                                    ringId,
-                                                                   norm,
+                                                                   returnPeriod,
                                                                    calculationMessageProviderMock);
 
                 // Assert
                 Assert.AreEqual(testDataPath, testCalculator.HydraulicBoundaryDatabaseDirectory);
                 Assert.AreEqual(ringId, testCalculator.RingId);
 
-                var expectedInput = CreateInput(hydraulicBoundaryLocation, norm);
+                var expectedInput = CreateInput(hydraulicBoundaryLocation, returnPeriod);
                 AssertInput(expectedInput, testCalculator.ReceivedInputs.First());
                 Assert.IsFalse(testCalculator.IsCanceled);
             }
@@ -403,9 +403,9 @@
             Assert.AreEqual(expectedInput.Beta, hydraRingCalculationInput.Beta);
         }
 
-        private static AssessmentLevelCalculationInput CreateInput(HydraulicBoundaryLocation hydraulicBoundaryLocation, double norm)
+        private static AssessmentLevelCalculationInput CreateInput(HydraulicBoundaryLocation hydraulicBoundaryLocation, double returnPeriod)
         {
-            return new AssessmentLevelCalculationInput(1, hydraulicBoundaryLocation.Id, norm);
+            return new AssessmentLevelCalculationInput(1, hydraulicBoundaryLocation.Id, returnPeriod);
         }
     }
 }
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