diff --git a/Constrained_triangulation_3/include/CGAL/Conforming_constrained_Delaunay_triangulation_3.h b/Constrained_triangulation_3/include/CGAL/Conforming_constrained_Delaunay_triangulation_3.h
index 7173f38cbe8..a8618f3540e 100644
--- a/Constrained_triangulation_3/include/CGAL/Conforming_constrained_Delaunay_triangulation_3.h
+++ b/Constrained_triangulation_3/include/CGAL/Conforming_constrained_Delaunay_triangulation_3.h
@@ -572,7 +572,7 @@ public:
   using Constrained_polyline_id = typename CDT_3_impl::Constrained_polyline_id;
 #endif // not DOXYGEN_RUNNING
   using size_type = typename Triangulation::size_type;
-s
+
 public:
   /** \name Constructors
   @{