Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/HeightStructures/ProbabilityAssessmentOutputCreateExtensions.cs
===================================================================
diff -u -r9ecb8c95c16dd159ca49930ebd8e5d8e2af7c297 -rfc8042d95d25d97f3e8a85fdd557771f718229f8
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/HeightStructures/ProbabilityAssessmentOutputCreateExtensions.cs	(.../ProbabilityAssessmentOutputCreateExtensions.cs)	(revision 9ecb8c95c16dd159ca49930ebd8e5d8e2af7c297)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/HeightStructures/ProbabilityAssessmentOutputCreateExtensions.cs	(.../ProbabilityAssessmentOutputCreateExtensions.cs)	(revision fc8042d95d25d97f3e8a85fdd557771f718229f8)
@@ -31,6 +31,15 @@
     /// </summary>
     internal static class ProbabilityAssessmentOutputCreateExtensions
     {
+        /// <summary>
+        /// Creates a <see cref="HeightStructuresOutputEntity"/> based on
+        /// the information of the <see cref="ProbabilityAssessmentOutput"/>.
+        /// </summary>
+        /// <param name="output">The height structure calculation output to create
+        /// a database entity for.</param>
+        /// <param name="registry">The object keeping track of create operations.</param>
+        /// <returns>A new <see cref="HeightStructuresOutputEntity"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="registry"/> is <c>null</c>.</exception>
         internal static HeightStructuresOutputEntity CreateHeightStructuresOutputEntity(this ProbabilityAssessmentOutput output, PersistenceRegistry registry)
         {
             if (registry == null)