diff --git a/Modules/Segmentation/Interactions/mitkEraseRegionTool.h b/Modules/Segmentation/Interactions/mitkEraseRegionTool.h
index c5008654b5..5316ce5dc1 100644
--- a/Modules/Segmentation/Interactions/mitkEraseRegionTool.h
+++ b/Modules/Segmentation/Interactions/mitkEraseRegionTool.h
@@ -1,61 +1,61 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef mitkEraseRegionTool_h_Included
 #define mitkEraseRegionTool_h_Included
 
 #include "mitkSetRegionTool.h"
 #include <MitkSegmentationExports.h>
 
 namespace us
 {
   class ModuleResource;
 }
 
 namespace mitk
 {
   /**
-    \brief Fill the inside of a contour with 1
+    \brief Erase the inside of a contour by
+           filling the inside of a contour with the background pixel value.
 
     \sa SetRegionTool
 
-    \ingroup Interaction
-    \ingroup ToolManagerEtAl
+    \ingroup Interactions
 
-    Finds the outer contour of a shape in 2D (possibly including holes) and sets all
-    the inside pixels to 0 (erasing a segmentation).
+    Finds the outer contour of a shape in 2D (possibly including single patches) and sets all
+    the pixels inside to the background pixel value (erasing a segmentation).
+    If clicked on the background, the outer contour might contain the whole image and thus
+    fill the whole image with the background pixel value.
 
     \warning Only to be instantiated by mitk::ToolManager.
-
-    $Author$
   */
   class MITKSEGMENTATION_EXPORT EraseRegionTool : public SetRegionTool
   {
   public:
     mitkClassMacro(EraseRegionTool, SetRegionTool);
     itkFactorylessNewMacro(Self);
     itkCloneMacro(Self);
 
       const char **GetXPM() const override;
     us::ModuleResource GetCursorIconResource() const override;
     us::ModuleResource GetIconResource() const override;
 
     const char *GetName() const override;
 
   protected:
     EraseRegionTool(); // purposely hidden
     ~EraseRegionTool() override;
   };
 
 } // namespace
 
 #endif
diff --git a/Modules/Segmentation/Interactions/mitkFillRegionTool.h b/Modules/Segmentation/Interactions/mitkFillRegionTool.h
index c704623335..3643b13992 100644
--- a/Modules/Segmentation/Interactions/mitkFillRegionTool.h
+++ b/Modules/Segmentation/Interactions/mitkFillRegionTool.h
@@ -1,60 +1,60 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef mitkFillRegionTool_h_Included
 #define mitkFillRegionTool_h_Included
 
 #include "mitkSetRegionTool.h"
 #include <MitkSegmentationExports.h>
 
 namespace us
 {
   class ModuleResource;
 }
 
 namespace mitk
 {
   /**
-    \brief Fill the inside of a contour with 1
+    \brief Fill the inside of a contour with the foreground pixel value.
 
     \sa SetRegionTool
 
-    \ingroup Interaction
-    \ingroup ToolManagerEtAl
+    \ingroup Interactions
 
     Finds the outer contour of a shape in 2D (possibly including holes) and sets all
-    the inside pixels to 1, filling holes in a segmentation.
-    \warning Only to be instantiated by mitk::ToolManager.
+    the pixels inside to the foreground pixel value (filling holes in a segmentation).
+    If clicked on the background, the outer contour might contain the whole image and thus
+    fill the whole image with the foreground pixel value.
 
-    $Author$
+    \warning Only to be instantiated by mitk::ToolManager.
   */
   class MITKSEGMENTATION_EXPORT FillRegionTool : public SetRegionTool
   {
   public:
     mitkClassMacro(FillRegionTool, SetRegionTool);
     itkFactorylessNewMacro(Self);
     itkCloneMacro(Self);
 
       const char **GetXPM() const override;
     us::ModuleResource GetCursorIconResource() const override;
     us::ModuleResource GetIconResource() const override;
 
     const char *GetName() const override;
 
   protected:
     FillRegionTool(); // purposely hidden
     ~FillRegionTool() override;
   };
 
 } // namespace
 
 #endif
diff --git a/Modules/Segmentation/Interactions/mitkSetRegionTool.h b/Modules/Segmentation/Interactions/mitkSetRegionTool.h
index fbaa1c2ecb..9fab9b8030 100644
--- a/Modules/Segmentation/Interactions/mitkSetRegionTool.h
+++ b/Modules/Segmentation/Interactions/mitkSetRegionTool.h
@@ -1,63 +1,60 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 
 #ifndef mitkSetRegionTool_h_Included
 #define mitkSetRegionTool_h_Included
 
 #include "mitkCommon.h"
 #include "mitkFeedbackContourTool.h"
 #include <MitkSegmentationExports.h>
 
 namespace mitk
 {
   class Image;
   class StateMachineAction;
   class InteractionEvent;
   /**
     \brief Fills or erases a 2D region
 
     \sa FeedbackContourTool
     \sa ExtractImageFilter
 
-    \ingroup Interaction
-    \ingroup ToolManagerEtAl
+    \ingroup Interactions
 
-    Finds the outer contour of a shape in 2D (possibly including holes) and sets all
+    Finds the outer contour of a shape in 2D (possibly including holes or single patches) and sets all
     the inside pixels to a specified value. This might fill holes or erase segmentations.
 
     \warning Only to be instantiated by mitk::ToolManager.
-
-    $Author$
   */
   class MITKSEGMENTATION_EXPORT SetRegionTool : public FeedbackContourTool
   {
   public:
     mitkClassMacro(SetRegionTool, FeedbackContourTool);
 
   protected:
     SetRegionTool(int paintingPixelValue = 1); // purposely hidden
     ~SetRegionTool() override;
 
     void ConnectActionsAndFunctions() override;
 
     void Activated() override;
     void Deactivated() override;
 
     virtual void OnMousePressed(StateMachineAction *, InteractionEvent *);
     virtual void OnMouseReleased(StateMachineAction *, InteractionEvent *);
     virtual void OnMouseMoved(StateMachineAction *, InteractionEvent *);
     int m_PaintingPixelValue;
   };
 
 } // namespace
 
 #endif