diff --git a/Convex_hull_2/doc/Convex_hull_2/Concepts/ConvexHullTraits_2.h b/Convex_hull_2/doc/Convex_hull_2/Concepts/ConvexHullTraits_2.h
index 7a9b9e862fb..39aa2bfc6cf 100644
--- a/Convex_hull_2/doc/Convex_hull_2/Concepts/ConvexHullTraits_2.h
+++ b/Convex_hull_2/doc/Convex_hull_2/Concepts/ConvexHullTraits_2.h
@@ -16,8 +16,6 @@ is specified with each function.
 \cgalHasModel `CGAL::Projection_traits_yz_3<K>`
 \cgalHasModel `CGAL::Projection_traits_xz_3<K>`
 
-\sa `IsStronglyConvexTraits_3`
-
 */
 
 class ConvexHullTraits_2 {
diff --git a/Convex_hull_2/doc/Convex_hull_2/dependencies b/Convex_hull_2/doc/Convex_hull_2/dependencies
index a4d5f76715e..ba431f4d0a6 100644
--- a/Convex_hull_2/doc/Convex_hull_2/dependencies
+++ b/Convex_hull_2/doc/Convex_hull_2/dependencies
@@ -3,4 +3,5 @@ Kernel_23
 STL_Extension
 Algebraic_foundations
 Circulator
+Convex_hull_3
 Stream_support