diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index 5ec9848fddb..d639da0e917 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -4,7 +4,7 @@ Release History
 [Release 5.6](https://github.com/CGAL/cgal/releases/tag/v5.6)
 -----------
 
-Release date: December 2022
+Release date: June 2023
 
 ### [Combinatorial Maps](https://doc.cgal.org/5.6/Manual/packages.html#PkgCombinatorialMaps) [Generalized Maps](https://doc.cgal.org/5.6/Manual/packages.html#PkgGeneralizedMaps) [Linear Cell Complex](https://doc.cgal.org/5.6/Manual/packages.html#PkgLinearCellComplex)
 
@@ -48,6 +48,10 @@ CGAL tetrahedral Delaunay refinement algorithm.
     described by the concept `TriangulationDataStructure_2::Face`. The model `CGAL::Hyperbolic_triangulation_face_base_2`
     has been adapted correspondingly.
 
+### [Surface Mesh Simplification](https://doc.cgal.org/5.6/Manual/packages.html#PkgSurfaceMeshSimplification)
+-   The stop predicates `Count_stop_predicate` and `Count_ratio_stop_predicate` are renamed to `Edge_count_stop_predicate` and `Edge_count_ratio_stop_predicate`. Older versions have been deprecated.
+-   Introduce `Face_count_stop_predicate` and `Face_count_ratio_stop_predicate` that can be used to stop the simplification algorithm based on a desired number of faces in the output, or a ratio between input and output face numbers.
+
 [Release 5.5](https://github.com/CGAL/cgal/releases/tag/v5.5)
 -----------