Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probability/ProbabilityAssessmentInput.cs
===================================================================
diff -u -r4e9d3556e3cee0365fc0f26d0bad19b50594e12d -r759a8a5a3c1b7fd724152a96efeca49e83a76e3e
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probability/ProbabilityAssessmentInput.cs	(.../ProbabilityAssessmentInput.cs)	(revision 4e9d3556e3cee0365fc0f26d0bad19b50594e12d)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probability/ProbabilityAssessmentInput.cs	(.../ProbabilityAssessmentInput.cs)	(revision 759a8a5a3c1b7fd724152a96efeca49e83a76e3e)
@@ -38,6 +38,11 @@
         /// <summary>
         /// Creates a new instance of <see cref="ProbabilityAssessmentInput"/>.
         /// </summary>
+        /// <param name="a">The default value for the parameter 'a' to be used to factor in the 'length effect'
+        /// when determining the maximum tolerated probability of failure.</param>
+        /// <param name="b">The default value for the parameter 'b' to be used to factor in the 'length effect'
+        /// when determining the maximum tolerated probability of failure.</param>
+        /// <exception cref="ArgumentException">Thrown when <paramref name="a"/> is not in the range [0, 1].</exception>
         protected ProbabilityAssessmentInput(double a, double b)
         {
             A = a;
@@ -74,7 +79,7 @@
         }
 
         /// <summary>
-        /// Gets the 'b' parameter used t ofactor in the 'length effect' when determining
+        /// Gets the 'b' parameter used to factor in the 'length effect' when determining
         /// the maximum tolerated probability of failure.
         /// </summary>
         public double B { get; }
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentInputTest.cs
===================================================================
diff -u -r4e9d3556e3cee0365fc0f26d0bad19b50594e12d -r759a8a5a3c1b7fd724152a96efeca49e83a76e3e
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentInputTest.cs	(.../ProbabilityAssessmentInputTest.cs)	(revision 4e9d3556e3cee0365fc0f26d0bad19b50594e12d)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentInputTest.cs	(.../ProbabilityAssessmentInputTest.cs)	(revision 759a8a5a3c1b7fd724152a96efeca49e83a76e3e)
@@ -59,7 +59,6 @@
             var probabilityAssessmentInput = new TestProbabilityAssessmentInput(a, b);
 
             // Assert
-            Assert.IsInstanceOf<ProbabilityAssessmentInput>(probabilityAssessmentInput);
             Assert.AreEqual(a, probabilityAssessmentInput.A);
             Assert.AreEqual(b, probabilityAssessmentInput.B);
             Assert.IsNaN(probabilityAssessmentInput.SectionLength);
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Probability/TestProbabilityAssessmentInput.cs
===================================================================
diff -u -r4e9d3556e3cee0365fc0f26d0bad19b50594e12d -r759a8a5a3c1b7fd724152a96efeca49e83a76e3e
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Probability/TestProbabilityAssessmentInput.cs	(.../TestProbabilityAssessmentInput.cs)	(revision 4e9d3556e3cee0365fc0f26d0bad19b50594e12d)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/Probability/TestProbabilityAssessmentInput.cs	(.../TestProbabilityAssessmentInput.cs)	(revision 759a8a5a3c1b7fd724152a96efeca49e83a76e3e)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Ringtoets.Common.Data.Probability;
 
 namespace Ringtoets.Common.Data.TestUtil.Probability
@@ -31,8 +32,11 @@
         /// <summary>
         /// Creates a new instance of <see cref="TestProbabilityAssessmentInput"/>.
         /// </summary>
-        /// <param name="a">The value of <see cref="ProbabilityAssessmentInput.A"/>.</param>
-        /// <param name="b">The value of <see cref="ProbabilityAssessmentInput.B"/>.</param>
+        /// <param name="a">The default value for the parameter 'a' to be used to factor in the 'length effect'
+        /// when determining the maximum tolerated probability of failure.</param>
+        /// <param name="b">The default value for the parameter 'b' to be used to factor in the 'length effect'
+        /// when determining the maximum tolerated probability of failure.</param>
+        /// <exception cref="ArgumentException">Thrown when <paramref name="a"/> is not in the range [0, 1].</exception>"/>
         public TestProbabilityAssessmentInput(double a, double b) : base(a, b) {}
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/PropertyInfos/MacroStabilityInwardsFailureMechanismSectionsContextPropertyInfoTest.cs
===================================================================
diff -u -r4e9d3556e3cee0365fc0f26d0bad19b50594e12d -r759a8a5a3c1b7fd724152a96efeca49e83a76e3e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/PropertyInfos/MacroStabilityInwardsFailureMechanismSectionsContextPropertyInfoTest.cs	(.../MacroStabilityInwardsFailureMechanismSectionsContextPropertyInfoTest.cs)	(revision 4e9d3556e3cee0365fc0f26d0bad19b50594e12d)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/PropertyInfos/MacroStabilityInwardsFailureMechanismSectionsContextPropertyInfoTest.cs	(.../MacroStabilityInwardsFailureMechanismSectionsContextPropertyInfoTest.cs)	(revision 759a8a5a3c1b7fd724152a96efeca49e83a76e3e)
@@ -59,7 +59,7 @@
         }
 
         [Test]
-        public void CreateInstance_Always_NewPropertiesWithSectionsAsData()
+        public void CreateInstance_WithValidArguments_NewPropertiesWithSectionsAsData()
         {
             // Setup
             var mocks = new MockRepository();
Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/PropertyInfos/PipingFailureMechanismSectionsContextPropertyInfoTest.cs
===================================================================
diff -u -r4e9d3556e3cee0365fc0f26d0bad19b50594e12d -r759a8a5a3c1b7fd724152a96efeca49e83a76e3e
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/PropertyInfos/PipingFailureMechanismSectionsContextPropertyInfoTest.cs	(.../PipingFailureMechanismSectionsContextPropertyInfoTest.cs)	(revision 4e9d3556e3cee0365fc0f26d0bad19b50594e12d)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/PropertyInfos/PipingFailureMechanismSectionsContextPropertyInfoTest.cs	(.../PipingFailureMechanismSectionsContextPropertyInfoTest.cs)	(revision 759a8a5a3c1b7fd724152a96efeca49e83a76e3e)
@@ -59,7 +59,7 @@
         }
 
         [Test]
-        public void CreateInstance_Always_NewPropertiesWithSectionsAsData()
+        public void CreateInstance_WithValidArguments_NewPropertiesWithSectionsAsData()
         {
             // Setup
             var mocks = new MockRepository();