diff --git a/Modules/IGT/IGTFilters/mitkNavigationDataHandEyeCalibrationFilter.h b/Modules/IGT/IGTFilters/mitkNavigationDataHandEyeCalibrationFilter.h
index ca7072fab5..4c0511ba77 100644
--- a/Modules/IGT/IGTFilters/mitkNavigationDataHandEyeCalibrationFilter.h
+++ b/Modules/IGT/IGTFilters/mitkNavigationDataHandEyeCalibrationFilter.h
@@ -1,92 +1,95 @@
 /*=========================================================================
 
 Program:   Medical Imaging & Interaction Toolkit
 Language:  C++
 Date:      $Date: $
 Version:   $Revision: $
 
 Copyright (c) German Cancer Research Center, Division of Medical and
 Biological Informatics. All rights reserved.
 See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
 
 
 #ifndef MITKNavigationDataHandEyeCalibrationFilter_H_HEADER_INCLUDED_
 #define MITKNavigationDataHandEyeCalibrationFilter_H_HEADER_INCLUDED_
 
 #include "mitkNavigationDataToNavigationDataFilter.h"
 #include "mitkNavigationData.h"
 #include "mitkBaseData.h"
 #include "itkQuaternionRigidTransform.h"
 
 namespace mitk {
 
   /**
-  * \brief Class that reads NavigationData from input and transfers the information to the geometry of the associated BaseData
+  * \brief IGT filter applying a Hand-Eye transformation to a given BaseData according to the current NavigationDataTransformation.
+  *        The resulting BaseData is then given in tracking coordinates.
+  *
+  * Inputs: NavigationData(s), object(s) to transform (BaseData), hand-eye transformation (itk::QuaternionRigidTransform)
   *
   * Derived from NavigationDataToNavigationDataFilter
   *
   * \ingroup IGT
   */
   class MitkIGT_EXPORT NavigationDataHandEyeCalibrationFilter : public NavigationDataToNavigationDataFilter
   {
   public:
     mitkClassMacro(NavigationDataHandEyeCalibrationFilter, NavigationDataToNavigationDataFilter);
 
     itkNewMacro(Self);
 
     /*!
     \brief transformation type for itk::QuaternionRigidTransforms
     */
     typedef itk::QuaternionRigidTransform<ScalarType> QuaternionRigidTransformType;
     /** 
     * \brief Set the object that will be transformed to tracking coordinates using the current NavigationData 
     *        and the given transformation of the HandEyeCalibration
     * 
     * \param index index corresponding to the NavigationData and hand-eye transformation to be applied to this BaseData
     * \param data BaseData to be associated to the index 
     */
     void SetObjectToTransform(unsigned int index, BaseData* data);
 
     /**
     * \brief Set the transformation of the HandEyeCalibration that should be applied to the BaseData
     *        with the current transformation of the Navigation Data
     *
     * \param index index corresponding to the NavigationData applied with this hand-eye transformation
     * \param handEyeTransform transformation of a previously performed hand-eye calibration corresponding to the NavigationData
     *                         at index
     */
     void SetHandEyeTransformation(unsigned int index, QuaternionRigidTransformType::Pointer handEyeTransform);
     /*
     * \brief Transfer the information from the input to the associated BaseData
     */
     virtual void GenerateData();
 
 
   protected:
     /**
     * \brief Constructor
     **/
     NavigationDataHandEyeCalibrationFilter();
 
     /**
     * \brief Destructor
     **/
     ~NavigationDataHandEyeCalibrationFilter();
 
     /** 
     * \brief Map of the BaseDatas that should be transformed. 
     */
     std::map<int,BaseData::Pointer> m_ObjectsToTransform;
     /** 
     * \brief Map of the hand-eye transformations that should be applied to the BaseDatas 
     */
     std::map<int,QuaternionRigidTransformType::Pointer> m_HandEyeTransformations;
   };
 } // namespace mitk
 #endif /* MITKNavigationDataHandEyeCalibrationFilter_H_HEADER_INCLUDED_ */