diff --git a/module2/exo4/DonneesExo.csv b/module2/exo4/DonneesExo.csv
index 3245dae2e982ff9d8739c37516addfabe1d6fa85..eaea5d5dc76919d177db2ceee88bea888126dcd8 100644
--- a/module2/exo4/DonneesExo.csv
+++ b/module2/exo4/DonneesExo.csv
@@ -1,5 +1,5 @@
-Formulation;Référence;70%C;50%C;30%C
-Rc24h;24,70;19,80;14,50;9,90
-Rc7j;60,20;55,70;39,40;28,60
-Rc28j;81,60;75,60;55,80;42,70
-Rc90j;87,50;79,80;61,20;49,80
+'Formulation','Référence','70%C','50%C','30%C'
+'Rc24h',24.7,19.8,14.5,9.9
+'Rc7j',60.2,55.7,39.4,28.6
+'Rc28j',81.6,75.6,55.8,42.7
+'Rc90j',87.5,79.8,61.2,49.8