diff --git a/MaterialLib/MPL/CreateProperty.cpp b/MaterialLib/MPL/CreateProperty.cpp
index 44b3258fce42ba138e1a4b7c12d68b1f6493e892..9113a8eb53f30ffb2071be6cca94e74a20c43cd2 100644
--- a/MaterialLib/MPL/CreateProperty.cpp
+++ b/MaterialLib/MPL/CreateProperty.cpp
@@ -33,12 +33,12 @@ std::unique_ptr<MaterialPropertyLib::Property> createProperty(
     //! \ogs_file_param{properties__property__type}
     auto const property_type = config.getConfigParameter<std::string>("type");
 
-    // If (and only if) the given property type is 'constant', a
-    // corresponding value is needed.
+    // If (and only if) the given property type is 'constant', a corresponding
+    // value is needed.
     if (property_type == "Constant")
     {
-        //! \ogs_file_param{properties__property__Constant__value}
         std::vector<double> const values =
+            //! \ogs_file_param{properties__property__Constant__value}
             config.getConfigParameter<std::vector<double>>("value");
 
         switch (values.size())