diff --git a/Kernel_23/include/CGAL/Exact_predicates_inexact_constructions_kernel.h b/Kernel_23/include/CGAL/Exact_predicates_inexact_constructions_kernel.h
index c80d13cc286..341c663007d 100644
--- a/Kernel_23/include/CGAL/Exact_predicates_inexact_constructions_kernel.h
+++ b/Kernel_23/include/CGAL/Exact_predicates_inexact_constructions_kernel.h
@@ -47,7 +47,8 @@ using Epick = Single_precision_epick;
 
 namespace internal {
 
-  // Basic objects, constructions, and predicates, using `double` for `FT`.
+  // Basic objects, constructions, and predicates, using the same base class as
+  // Simple_cartesian<NT>: Cartesian_base without reference counting.
   template <typename NT, typename Kernel>
   using Epick_base =
       typename Simple_cartesian<NT>::template Base<Kernel>::Type;