diff --git a/Isosurfacing_3/doc/Isosurfacing_3/Concepts/IsosurfacingDomain_3.h b/Isosurfacing_3/doc/Isosurfacing_3/Concepts/IsosurfacingDomain_3.h
index 756da69ce2b..5e863f454a1 100644
--- a/Isosurfacing_3/doc/Isosurfacing_3/Concepts/IsosurfacingDomain_3.h
+++ b/Isosurfacing_3/doc/Isosurfacing_3/Concepts/IsosurfacingDomain_3.h
@@ -108,7 +108,7 @@ public:
   Vertices_incident_to_edge incident_vertices(const Edge_descriptor& e) const;
 
   /*!
-  returns all the cells incident to the edge `e`.
+  returns all the cells incident to the edge `e`, in a geometrically ordered manner around the edge.
   */
   Cells_incident_to_edge incident_cells(const Edge_descriptor& e) const;