diff --git a/AABB_tree/include/CGAL/AABB_HalfedgeGraph_segment_primitive.h b/AABB_tree/include/CGAL/AABB_HalfedgeGraph_segment_primitive.h
index 06cb93104fd..d6669ad2009 100644
--- a/AABB_tree/include/CGAL/AABB_HalfedgeGraph_segment_primitive.h
+++ b/AABB_tree/include/CGAL/AABB_HalfedgeGraph_segment_primitive.h
@@ -49,7 +49,7 @@ namespace CGAL {
  *    and `AABBPrimitiveWithSharedData` if `OneHalfedgeGraphPerTree` is `CGAL::Tag_true`.
  *
  * \tparam HalfedgeGraph is a model of the halfedge graph concept.
- * \tparam VertexPointPMap is a property map with `boost::graph_traits<HalfedgeGraph>::vertex_descriptor`
+ * \tparam VertexPointPMap is a property map with `boost::graph_traits<HalfedgeGraph>::%vertex_descriptor`
  *   as key type and a \cgal Kernel `Point_3` as value type.
  * \tparam OneHalfedgeGraphPerTree is either `CGAL::Tag_true or `CGAL::Tag_false`.
  * In the former case, we guarantee that all the primitives will be from a