diff --git a/module2/exo4/DonneesExo.csv b/module2/exo4/DonneesExo.csv
index 3245dae2e982ff9d8739c37516addfabe1d6fa85..9be2b8506379eeceaeefb35321e69359500df731 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,24.70,19.80,14.50,9.90
+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