diff --git a/MaterialLib/MPL/Properties/CreateRelPermLiakopoulos.cpp b/MaterialLib/MPL/Properties/CreateRelPermLiakopoulos.cpp
index 71bb1d05fc517a7a49204e0e0d787d057b2a7313..53a6df355a81d48f339708984bd226996781c3fd 100644
--- a/MaterialLib/MPL/Properties/CreateRelPermLiakopoulos.cpp
+++ b/MaterialLib/MPL/Properties/CreateRelPermLiakopoulos.cpp
@@ -20,6 +20,7 @@ std::unique_ptr<RelPermLiakopoulos> createRelPermLiakopoulos(
     config.checkConfigParameter("type", "RelPermLiakopoulos");
     DBUG("Create RelPermLiakopoulos medium property");
 
+    //! \ogs_file_param_special{properties__property__RelPermLiakopoulos}
     return std::make_unique<RelPermLiakopoulos>();
 }
 }  // namespace MaterialPropertyLib
diff --git a/MaterialLib/MPL/Properties/CreateSaturationLiakopoulos.cpp b/MaterialLib/MPL/Properties/CreateSaturationLiakopoulos.cpp
index f83b6547718cf752a6ab3d0085c98d8d13cf5245..1d5da1aac5bae889f3e96a26d0da7749786644dd 100644
--- a/MaterialLib/MPL/Properties/CreateSaturationLiakopoulos.cpp
+++ b/MaterialLib/MPL/Properties/CreateSaturationLiakopoulos.cpp
@@ -20,6 +20,7 @@ std::unique_ptr<SaturationLiakopoulos> createSaturationLiakopoulos(
     config.checkConfigParameter("type", "SaturationLiakopoulos");
     DBUG("Create SaturationLiakopoulos medium property");
 
+    //! \ogs_file_param_special{properties__property__SaturationLiakopoulos}
     return std::make_unique<SaturationLiakopoulos>();
 }
 }  // namespace MaterialPropertyLib