diff --git a/Modules/Filtering/ImageManipulation/include/otbChangeNoDataValueFilter.h b/Modules/Filtering/ImageManipulation/include/otbChangeNoDataValueFilter.h
index 3dbf2ca4ac1696678a005e63db001a17f8679df4..59d4fca6e387e8dae4588678c76a479b91c5ed01 100644
--- a/Modules/Filtering/ImageManipulation/include/otbChangeNoDataValueFilter.h
+++ b/Modules/Filtering/ImageManipulation/include/otbChangeNoDataValueFilter.h
@@ -31,6 +31,7 @@ namespace Functor
  *  \brief Functor used by ChangeNoDataValueFilter
  *
  *  See ChangeNoDataValueFilter for complete documentation. 
+ *  \ingroup OTBImageManipulation
  */
 template <typename TInputPixel, typename TOutputPixel> 
 class ChangeNoDataFunctor
diff --git a/Modules/Filtering/ImageManipulation/include/otbImageToNoDataMaskFilter.h b/Modules/Filtering/ImageManipulation/include/otbImageToNoDataMaskFilter.h
index df80e2a9a8bd778917d156926e25de8b75eaaeab..a790b37a0ea031c3695ac7fcb8058d313f51e0ea 100644
--- a/Modules/Filtering/ImageManipulation/include/otbImageToNoDataMaskFilter.h
+++ b/Modules/Filtering/ImageManipulation/include/otbImageToNoDataMaskFilter.h
@@ -31,6 +31,7 @@ namespace Functor
  *  \brief Functor used by ImageToNoDataMaskFilter
  *
  *  See ImageToNoDataMaskFilter for complete documentation. 
+ *  \ingroup OTBImageManipulation
  */
 template <typename TInputPixel, typename TOutputPixel> 
 class NoDataFunctor