diff --git a/GUI/Model/Descriptor/PolyItem.h b/GUI/Model/Descriptor/PolyItem.h
index af798c6657b35f8f8f9e81651ad715115f03ee57..e9a3816e2e6b9986dfcfb82c7e5bf1b52b34dd5d 100644
--- a/GUI/Model/Descriptor/PolyItem.h
+++ b/GUI/Model/Descriptor/PolyItem.h
@@ -34,6 +34,7 @@ public:
     BaseType* certainItem() const { return m_item.get(); }
 
     void setCertainItem(BaseType* t) { m_item.reset(t); }
+
     template <typename S> S* createCertainItem();
 
     static void writeChosen(const BaseType* t, QXmlStreamWriter* w, const QString& tag);
@@ -84,9 +85,8 @@ private:
 
 //! Initialize by means of a catalog class and optional creation arguments.
 //!
-//! The current selection will be initialized with the first type in the catalog types. The
-//! optional arguments are the arguments which may be necessary for the creation method in the
-//! catalog.
+//! The current selection will be initialized with the first type in the catalog types. The optional
+//! arguments are the arguments which may be necessary for the creation method in the catalog.
 template <typename C> template <typename... Args>
 void PolyItem<C>::initWithArgs(const QString& label, const QString& tooltip,
                                typename C::Type currentType, Args... args)
@@ -96,7 +96,8 @@ void PolyItem<C>::initWithArgs(const QString& label, const QString& tooltip,
     setCurrentIndex(index);
 }
 
-//! Initialize by means of a catalog class, a subsection of allowed types and an initializer function.
+//! Initialize by means of a catalog class, a subsection of allowed types and an initializer
+//! function.
 //!
 //! Same as before, but only a subset of types available in a catalog shall be used.
 //! The current selection will be initialized with the first type in the given types subset.
@@ -106,8 +107,7 @@ void PolyItem<C>::initWithArgs(const QString& label, const QString& tooltip,
 //!
 //! The initializer function takes two arguments: The first is the new item, the second is the
 //! old one (if present; can be null). This is intended to maybe copy values from the old to the
-//! new selection. The old item also can be ignored, always according to the current
-//! needs.
+//! new selection. The old item also can be ignored, always according to the current needs.
 template <typename C> void PolyItem<C>::initWithInitializer(
     const QString& label, const QString& tooltip, const QVector<typename C::Type>& types,
     std::function<void(BaseType* newItem, const BaseType* oldItem)> initializer)