Index: Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryDatabaseExtensions.cs
===================================================================
diff -u -rf8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e -r381345fcad26d313d3cfd5ccd3d1e131c1d5c379
--- Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryDatabaseExtensions.cs	(.../HydraulicBoundaryDatabaseExtensions.cs)	(revision f8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryDatabaseExtensions.cs	(.../HydraulicBoundaryDatabaseExtensions.cs)	(revision 381345fcad26d313d3cfd5ccd3d1e131c1d5c379)
@@ -33,8 +33,11 @@
         /// </summary>
         /// <param name="hydraulicBoundaryDatabase">The hydraulic boundary database to get the
         /// effective preprocessor directory from.</param>
-        /// <returns>A preprocessor directory (which might equal <see cref="string.Empty"/>).</returns>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryDatabase"/> is <c>null</c>.</exception>
+        /// <returns>A preprocessor directory, which is <see cref="string.Empty"/> when
+        /// <see cref="HydraulicBoundaryDatabase.CanUsePreprocessor"/> or
+        /// <see cref="HydraulicBoundaryDatabase.UsePreprocessor"/> is <c>false</c>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when
+        /// <paramref name="hydraulicBoundaryDatabase"/> is <c>null</c>.</exception>
         public static string EffectivePreprocessorDirectory(this HydraulicBoundaryDatabase hydraulicBoundaryDatabase)
         {
             if (hydraulicBoundaryDatabase == null)