diff --git a/Polygon_mesh_processing/doc/Polygon_mesh_processing/Polygon_mesh_processing.txt b/Polygon_mesh_processing/doc/Polygon_mesh_processing/Polygon_mesh_processing.txt
index 24b67d7a036..a5c978450d7 100644
--- a/Polygon_mesh_processing/doc/Polygon_mesh_processing/Polygon_mesh_processing.txt
+++ b/Polygon_mesh_processing/doc/Polygon_mesh_processing/Polygon_mesh_processing.txt
@@ -225,7 +225,7 @@ Mathematically speaking, the intersection with an infinitesimally small ball
 centered in the output volume is a topological ball. At the surface level this means
 that no non-manifold vertex or edge is allowed in the output. For example, it
 is not possible to compute the union of two cubes that are disjoint but sharing an edge.
-In case you have to deal with such scenarii, you should consider using the
+In case you have to deal with such scenarios, you should consider using the
 package \ref PkgNef3Summary.
 
 It is possible to update the input so that it contains the result (in-place operation).