diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index 6e345947bdc..83a6131413d 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -40,7 +40,7 @@ Release date: June 2022
 ### [Polygon Mesh Processing](https://doc.cgal.org/5.5/Manual/packages.html#PkgPolygonMeshProcessing)
 
 -   Added the function `CGAL::Polygon_mesh_processing::tangential_relaxation()`, which
-applies an area-based tangential mesh smoothing to a surface triangle mesh vertices.
+applies an area-based tangential mesh smoothing to the vertices of a surface triangle mesh.
 
 [Release 5.4](https://github.com/CGAL/cgal/releases/tag/v5.4)
 -----------
diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/tangential_relaxation.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/tangential_relaxation.h
index 4953d22cf3b..056ef91ec66 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/tangential_relaxation.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/tangential_relaxation.h
@@ -51,7 +51,7 @@ struct Allow_all_moves{
 *         The descriptor types `boost::graph_traits<TriangleMesh>::%face_descriptor`
 *         and `boost::graph_traits<TriangleMesh>::%halfedge_descriptor` must be
 *         models of `Hashable`.
-* @tparam VertexRange range of `boost::graph_traits<TriangleMesh>::%face_descriptor`,
+* @tparam VertexRange range of `boost::graph_traits<TriangleMesh>::%vertex_descriptor`,
 *         model of `Range`. Its iterator type is `ForwardIterator`.
 * @tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
 *
@@ -78,7 +78,7 @@ struct Allow_all_moves{
 *   \cgalParamNEnd
 *
 *   \cgalParamNBegin{number_of_iterations}
-*     \cgalParamDescription{the number of iterations smoothing iterations}
+*     \cgalParamDescription{the number of smoothing iterations}
 *     \cgalParamType{unsigned int}
 *     \cgalParamDefault{`1`}
 *   \cgalParamNEnd