diff --git a/Optimisation_doc/doc_tex/Bounded_volumes_ref/intro.tex b/Optimisation_doc/doc_tex/Bounded_volumes_ref/intro.tex
index 5e5db23edd1..e325fa1ff46 100644
--- a/Optimisation_doc/doc_tex/Bounded_volumes_ref/intro.tex
+++ b/Optimisation_doc/doc_tex/Bounded_volumes_ref/intro.tex
@@ -64,10 +64,10 @@ checking off, cf.~Section~\ref{sec:checks}.
 
 \ccRefIdfierPage{CGAL::Min_sphere_d<Traits>}\\
 \ccRefIdfierPage{CGAL::Min_annulus_d<Traits>}\\[1ex]
-\ccRefIdfierPage{CGAL::Optimisation_d_traits_2<K,ET,NT>}\\
-\ccRefIdfierPage{CGAL::Optimisation_d_traits_3<K,ET,NT>}\\
-\ccRefIdfierPage{CGAL::Optimisation_d_traits_d<K,ET,NT>}\\[1ex]
-\ccRefConceptPage{OptimisationDTraits}
+\ccRefIdfierPage{CGAL::sphere_annulus_d_traits_2<K,ET,NT>}\\
+\ccRefIdfierPage{CGAL::sphere_annulus_d_traits_3<K,ET,NT>}\\
+\ccRefIdfierPage{CGAL::sphere_annulus_d_traits_d<K,ET,NT>}\\[1ex]
+\ccRefConceptPage{MinSphereAnnulusDTraits}
 
 \smallskip
 
@@ -87,5 +87,8 @@ checking off, cf.~Section~\ref{sec:checks}.
 \input{Bounded_volumes_ref/main_Min_sphere_of_spheres_d.tex}
 \input{Bounded_volumes_ref/main_Approximate_min_ellipsoid_d.tex}
 
-\input{Bounded_volumes_ref/main_Optimisation_d_traits.tex}
+\input{Bounded_volumes_ref/Min_sphere_annulus_d_traits_2.tex}
+\input{Bounded_volumes_ref/Min_sphere_annulus_d_traits_3.tex}
+\input{Bounded_volumes_ref/Min_sphere_annulus_d_traits_d.tex
+\input{Bounded_volumes_ref/MinSphereAnnulusDTraits.tex}