diff --git a/GUI/coregui/Models/DataViewUtils.cpp b/GUI/coregui/Models/DataViewUtils.cpp
index fbb4d8f26401c4169afc55bd96aa08cd259fc352..75b6f1492d9e1803dc9576467f851fec3d5b6188 100644
--- a/GUI/coregui/Models/DataViewUtils.cpp
+++ b/GUI/coregui/Models/DataViewUtils.cpp
@@ -1,3 +1,17 @@
+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Models/DataViewUtils.cpp
+//! @brief     Implements functions in namespace DataViewUtils
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
 #include "DataViewUtils.h"
 #include "Data1DViewItem.h"
 #include "DataItem.h"
diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonViewController.cpp b/GUI/coregui/Views/FitWidgets/FitComparisonViewController.cpp
index bc6c850b0c4c1f077a280885fe361e04cd9041f2..ff02cbd260ec0bbc0a3e6136e89ae91e8c3272a0 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonViewController.cpp
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonViewController.cpp
@@ -1,3 +1,17 @@
+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/FitWidgets/FitComparisonViewController.cpp
+//! @brief     Implements classes DiffItemController, FitComparison1DViewController
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
 #include "FitComparisonViewController.h"
 #include "AxesItems.h"
 #include "Data1DViewItem.h"
diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonViewController.h b/GUI/coregui/Views/FitWidgets/FitComparisonViewController.h
index 18876de4cd20a22742254ed1801997498d81f0ef..59c7872d13382ddca225688e4205d433e40b8694 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonViewController.h
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonViewController.h
@@ -1,3 +1,17 @@
+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/FitWidgets/FitComparisonViewController.h
+//! @brief     Defines classes DiffItemController, FitComparison1DViewController
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
 #ifndef FITCOMPARISONVIEWCONTROLLER_H
 #define FITCOMPARISONVIEWCONTROLLER_H
 
diff --git a/GUI/coregui/Views/InstrumentWidgets/SpecularInstrumentEditor.cpp b/GUI/coregui/Views/InstrumentWidgets/SpecularInstrumentEditor.cpp
index af3ca4cbe91bc68ced48e3a4625cdbedfcacde81..b83ca53dbfe412b4fa8e899dc5ee11ca0e77bd35 100644
--- a/GUI/coregui/Views/InstrumentWidgets/SpecularInstrumentEditor.cpp
+++ b/GUI/coregui/Views/InstrumentWidgets/SpecularInstrumentEditor.cpp
@@ -1,3 +1,17 @@
+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/InstrumentWidgets/SpecularInstrumentEditor.cpp
+//! @brief     Implements class SpecularInstrumentEditor
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
 #include "SpecularInstrumentEditor.h"
 #include "ColumnResizer.h"
 #include "EnvironmentEditor.h"
diff --git a/GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.cpp b/GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.cpp
index f1be45cfd06b7463e19af1c673d08af6a9fec9e9..1cb3a19011be921751cca874ad56c3afe40dce7c 100644
--- a/GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.cpp
+++ b/GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.cpp
@@ -1,3 +1,17 @@
+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/IntensityDataWidgets/ScientificPlot.cpp
+//! @brief     Implements class ScientificPlot
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
 #include "ScientificPlot.h"
 #include "ScientificPlotEvent.h"
 #include <qcustomplot.h>
diff --git a/GUI/coregui/Views/SampleDesigner/ViewTypes.h b/GUI/coregui/Views/SampleDesigner/ViewTypes.h
index 234b3d1c36c33810c65acfd68af2272c5fa4fdcc..8ea6c710a2ce68368b219f9ae5cced1fe9c54283 100644
--- a/GUI/coregui/Views/SampleDesigner/ViewTypes.h
+++ b/GUI/coregui/Views/SampleDesigner/ViewTypes.h
@@ -2,8 +2,8 @@
 //
 //  BornAgain: simulate and fit scattering at grazing incidence
 //
-//! @file      GUI/coregui/Views/SampleDesigner/IView.h
-//! @brief     Defines class IView
+//! @file      GUI/coregui/Views/SampleDesigner/ViewTypes.h
+//! @brief     Defines namespace ViewTypes with enum EWidgetTypes (nothing to implement)
 //!
 //! @homepage  http://www.bornagainproject.org
 //! @license   GNU General Public License v3 or higher (see COPYING)