diff --git a/Minkowski_sum_2/doc/Minkowski_sum_2/CGAL/Polygon_vertical_decomposition_2.h b/Minkowski_sum_2/doc/Minkowski_sum_2/CGAL/Polygon_vertical_decomposition_2.h
index 28e560c6fd3..132f04b2963 100644
--- a/Minkowski_sum_2/doc/Minkowski_sum_2/CGAL/Polygon_vertical_decomposition_2.h
+++ b/Minkowski_sum_2/doc/Minkowski_sum_2/CGAL/Polygon_vertical_decomposition_2.h
@@ -4,7 +4,7 @@ namespace CGAL {
 \ingroup PkgMinkowskiSum2Ref
 
 The `Polygon_vertical_decomposition_2` class implements a convex
-decompistion of a polygon or a polygon with holes into pseudo trapezoids
+decomposition of a polygon or a polygon with holes into pseudo trapezoids
 utilizing the CGAL::decompose() free function of the
 \ref chapterArrangement_on_surface_2 "2D Arrangements" package.
 
diff --git a/Minkowski_sum_2/test/Minkowski_sum_2/test_minkowski_sum.cpp b/Minkowski_sum_2/test/Minkowski_sum_2/test_minkowski_sum.cpp
index 09c0ad4b089..6ac0708dd2f 100644
--- a/Minkowski_sum_2/test/Minkowski_sum_2/test_minkowski_sum.cpp
+++ b/Minkowski_sum_2/test/Minkowski_sum_2/test_minkowski_sum.cpp
@@ -40,9 +40,9 @@ static const char* strategy_names[] = {
   "small-side angle-bisector decomposition",
   "optimal convex decomposition",
   "Hertel-Mehlhorn decomposition",
-  "Greene decomosition",
+  "Greene decomposition",
   "Triangulation",
-  "Vertical decomosition"
+  "Vertical decomposition"
 };
 
 Polygon_with_holes_2 compute_minkowski_sum_2(Polygon_2& p, Polygon_2& q,