diff --git a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Concepts/BarycentricTraits_2.h b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Concepts/BarycentricTraits_2.h
index 1f5e7aed7e1..df9b650b7c7 100644
--- a/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Concepts/BarycentricTraits_2.h
+++ b/Barycentric_coordinates_2/doc/Barycentric_coordinates_2/Concepts/BarycentricTraits_2.h
@@ -11,6 +11,9 @@ coordinates from the namespace `CGAL::Barycentric_coordinates`.
 
 \cgalHasModel
 - All models of `Kernel`
+- `CGAL::Projection_traits_xy_3<K>`
+- `CGAL::Projection_traits_yz_3<K>`
+- `CGAL::Projection_traits_xz_3<K>`
 */
 class BarycentricTraits_2 {
 
diff --git a/Kernel_23/doc/Kernel_23/CGAL/Projection_traits_xy_3.h b/Kernel_23/doc/Kernel_23/CGAL/Projection_traits_xy_3.h
index ef9cc245142..67c3a96b0bd 100644
--- a/Kernel_23/doc/Kernel_23/CGAL/Projection_traits_xy_3.h
+++ b/Kernel_23/doc/Kernel_23/CGAL/Projection_traits_xy_3.h
@@ -31,6 +31,7 @@ and predicates defined in `K`.
 \cgalModels `ConvexHullTraits_2`
 \cgalModels `DelaunayMeshTraits_2`
 \cgalModels `AnalyticWeightTraits_2`
+\cgalModels `BarycentricTraits_2`
 
 */
 template< typename K >