diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/triangle.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/triangle.h
index cf77f43a324..3ddaa883ce2 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/triangle.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/triangle.h
@@ -34,6 +34,7 @@ namespace CGAL {
    * @tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
    *
    * @param tmesh the triangulated surface mesh
+   * @param fd the descripor of the face to construct the triangle from
    * @param np an optional sequence of \ref bgl_namedparameters "Named Parameters" among the ones listed below
    *
    * \cgalNamedParamsBegin