diff --git a/Code/BasicFilters/otbProlateInterpolateImageFunction.h b/Code/BasicFilters/otbProlateInterpolateImageFunction.h
index 686c422c6b2c5adcdee9cb2a151f230d2f94a444..cfd9f1a3b34ea4d76d9befb5aad6cc758bdfe93c 100644
--- a/Code/BasicFilters/otbProlateInterpolateImageFunction.h
+++ b/Code/BasicFilters/otbProlateInterpolateImageFunction.h
@@ -117,6 +117,9 @@ private:
  *
  * ProlateInterpolateImageFunction interpolates image intensity according to a
  * resampling profil.
+ *
+ * The Initialize() method need to be call to create the filter.
+ *
  * \ingroup ImageFunctions ImageInterpolators
  */
 template<class TInputImage, class TBoundaryCondition = itk::ConstantBoundaryCondition<TInputImage>, class TCoordRep=double, class TInputInterpolator=double, class TOutputInterpolator=double>
diff --git a/Code/Common/otbGenericInterpolateImageFunction.h b/Code/Common/otbGenericInterpolateImageFunction.h
index 019ee0dbc3fe0101ea40403da7d6876174e13b25..f6249be85560ce3083009cc42277657c84cb2163 100644
--- a/Code/Common/otbGenericInterpolateImageFunction.h
+++ b/Code/Common/otbGenericInterpolateImageFunction.h
@@ -30,6 +30,9 @@ namespace otb
  *
  * GenericInterpolateImageFunction interpolates image intensity according to a
  * resampling profil.
+ *
+ * The Initialize() method need to be call to create the filter.
+ *
  * \ingroup ImageFunctions ImageInterpolators
  */
 template <class TInputImage, class TFunction, class TBoundaryCondition = itk::ConstantBoundaryCondition<TInputImage>, class TCoordRep = double>