diff --git a/Modules/Core/Functor/include/otbFunctorImageFilter.h b/Modules/Core/Functor/include/otbFunctorImageFilter.h
index 01af4b8f3a3c9ffd966c2115333f9e94a698f45a..ff20078e3f9eb3b40e72fa474077eed755df3455 100644
--- a/Modules/Core/Functor/include/otbFunctorImageFilter.h
+++ b/Modules/Core/Functor/include/otbFunctorImageFilter.h
@@ -184,7 +184,7 @@ template <typename Functor> auto NewFunctorFilter(const Functor& f, itk::Size<2>
  * 
  * \ingroup IntensityImageFilters   Multithreaded Streamed
  *
- * \ingroup OTBImageManipulation
+ * \ingroup OTBFunctor
 */
 template <class TFunction>
     class ITK_EXPORT FunctorImageFilter
diff --git a/Modules/Core/Functor/include/otbVariadicInputsImageFilter.h b/Modules/Core/Functor/include/otbVariadicInputsImageFilter.h
index 39b064b485e7408ca1505ea828b8105467c72080..d87ae83c0c34c8165ba0d18ec8a240c444a407e4 100644
--- a/Modules/Core/Functor/include/otbVariadicInputsImageFilter.h
+++ b/Modules/Core/Functor/include/otbVariadicInputsImageFilter.h
@@ -24,6 +24,8 @@
 
 namespace otb {
 
+/// TODO: Documentation
+
 template<class TOuptut, class ... TInputs> class VariadicInputsImageFilter : public itk::ImageSource<TOuptut>
 {
 public: