diff --git a/Packages/Kernel_d/include/CGAL/Cartesian_d.h b/Packages/Kernel_d/include/CGAL/Cartesian_d.h
index ba2dcef9fd1..e406e0be379 100644
--- a/Packages/Kernel_d/include/CGAL/Cartesian_d.h
+++ b/Packages/Kernel_d/include/CGAL/Cartesian_d.h
@@ -97,6 +97,7 @@ public:
     }
   };
 
+  // TODO: Make it work for the other values
  template <typename K>
   class Construct_vertex
   {    
diff --git a/Packages/Kernel_d/include/CGAL/Homogeneous_d.h b/Packages/Kernel_d/include/CGAL/Homogeneous_d.h
index 15a66363468..1dd19685d60 100644
--- a/Packages/Kernel_d/include/CGAL/Homogeneous_d.h
+++ b/Packages/Kernel_d/include/CGAL/Homogeneous_d.h
@@ -97,6 +97,7 @@ public:
     }
   };
 
+  // TODO: Make it work for the other values
  template <typename K>
   class Construct_vertex
   {