diff --git a/Kernel_23/doc_tex/Kernel_23_ref/intersection.tex b/Kernel_23/doc_tex/Kernel_23_ref/intersection.tex
index 65b02be3ebc..05cf63bc25d 100644
--- a/Kernel_23/doc_tex/Kernel_23_ref/intersection.tex
+++ b/Kernel_23/doc_tex/Kernel_23_ref/intersection.tex
@@ -603,9 +603,8 @@ intersection(const Type1 &obj1, const Type2 &obj2, const Type3 &obj3,
 	OutputIterator intersections);}
 {Copies in the output iterator the intersection elements between the
 three objects. \ccc{intersections} iterates on
-elements of type \ccStyle{boost::optional< boost::variant< std::pair<Circular_arc_point_3<SphericalKernel>, unsigned>,  
-Circle_3<SphericalKernel>, Sphere_3<SphericalKernel>, Plane_3<SphericalKernel> >}, in lexicographic order 
-when this ordering is defined on the computed objects}
+elements of type \ccStyle{boost::variant< Circle_3, Plane_3, Sphere_3, std::pair< Circular_arc_point_3, unsigned > >}
+, in lexicographic order when this ordering is defined on the computed objects.}
 
 where \ccStyle{Type1}, \ccStyle{Type2} and \ccStyle{Type3}
 can be either
@@ -614,7 +613,7 @@ can be either
 \item {} \ccStyle{Plane_3<SphericalKernel>}
 \end{itemize}
 
-and depending of these types, the computed return value 
+and depending of these types, the computed return value
 \begin{itemize}
 \item {} \ccStyle{std::pair<Circular_arc_point_3<SphericalKernel>, unsigned>},
 where the unsigned integer is the multiplicity of the corresponding
@@ -625,6 +624,9 @@ intersection point,
 and \ccc{obj3} are equal.
 \end{itemize} 
 
+A typedef for the result type is available through the traits class
+\ccStyle{template<K> Intersection_traits_spherical.
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \ccExample