diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/remesh.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/remesh.h
index e6ab4db7a3d..fac3ad8010b 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/remesh.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/remesh.h
@@ -81,6 +81,7 @@ namespace Polygon_mesh_processing {
 *  \cgalParamBegin{edge_is_constrained_map} a property map containing the
 *    constrained-or-not status of each edge of `pmesh`. A constrained edge can be split
 *    or collapsed, but not flipped, nor its endpoints moved by smoothing.
+*    Sub-edges generated by splitting are set to be constrained.
 *    Note that patch boundary edges (i.e. incident to only one face in the range)
 *    are always considered as constrained edges.
 *  \cgalParamEnd
@@ -305,6 +306,12 @@ void isotropic_remeshing(
 *  \cgalParamBegin{vertex_point_map} the property map with the points associated
 *    to the vertices of `pmesh`. Instance of a class model of `ReadWritePropertyMap`.
 *  \cgalParamEnd
+*  \cgalParamBegin{face_index_map} a property map containing the index of each face of `pmesh`
+*  \cgalParamEnd
+*  \cgalParamBegin{edge_is_constrained_map} a property map containing the
+*    constrained-or-not status of each edge of `pmesh`. A constrained edge can be split,
+*    and the sub-edges are set to be constrained.
+*  \cgalParamEnd
 * \cgalNamedParamsEnd
 *
 * @sa `isotropic_remeshing()`