Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresContext.cs
===================================================================
diff -u -rdd95a590c807772d742ebe1b7e28611fa4931863 -rce31448a066c084f755439f3e7d453bfb042b291
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresContext.cs	(.../HeightStructuresContext.cs)	(revision dd95a590c807772d742ebe1b7e28611fa4931863)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PresentationObjects/HeightStructuresContext.cs	(.../HeightStructuresContext.cs)	(revision ce31448a066c084f755439f3e7d453bfb042b291)
@@ -52,15 +52,15 @@
         {
             if (failureMechanism == null)
             {
-                var message = String.Format(Resources.HeightStructuresContext_AssertInputsAreNotNull_DataDescription_0_cannot_be_null,
+                var message = string.Format(Resources.HeightStructuresContext_AssertInputsAreNotNull_DataDescription_0_cannot_be_null,
                                             Resources.HeightStructuresContext_DataDescription_HeightStructuresFailureMechanism);
 
                 throw new ArgumentNullException("failureMechanism", message);
             }
 
             if (assessmentSection == null)
             {
-                var message = String.Format(Resources.HeightStructuresContext_AssertInputsAreNotNull_DataDescription_0_cannot_be_null,
+                var message = string.Format(Resources.HeightStructuresContext_AssertInputsAreNotNull_DataDescription_0_cannot_be_null,
                                             Resources.HeightStructuresContext_DataDescription_AssessmentSection);
                 throw new ArgumentNullException("assessmentSection", message);
             }