diff --git a/Triangulation_2/TODO b/Triangulation_2/TODO
index 1737fbc42f3..bbab622affc 100644
--- a/Triangulation_2/TODO
+++ b/Triangulation_2/TODO
@@ -54,7 +54,7 @@ ou de la face infini
 
 - Check if copy constructor and assignment operator of
   constrained triangulation transfers the contained marks.
-- Something still tobe done for remove in Constrained
+- Something still to be done for remove in Constrained
   Delaunay_constrained and  Constrained_triangulation_plus
 - Harmoniser find_conflicts() avec le 3d
 - tester entree vrml