diff --git a/module2/exo4/Emails_par_jours.csv b/module2/exo4/Emails_par_jours.csv
index 58aee686be95a533fce4adc5b23dacb440a32e22..3fd28064be42d6c9de0aa34959d5173fcde80496 100644
--- a/module2/exo4/Emails_par_jours.csv
+++ b/module2/exo4/Emails_par_jours.csv
@@ -1,8 +1,8 @@
-Year,Month,Day,Number of emails,Number that require answers
-2023,8,2,3,0
-2023,8,3,2,0
-2023,8,4,2,0
-2023,8,5,0,0
-2023,8,6,1,0
-2023,8,7,3,2
-2023,8,8,2,0
+Date,Number of emails,Number that require answers
+2023-08-02,3,0
+2023-08-03,2,0
+2023-08-04,2,0
+2023-08-05,0,0
+2023-08-06,1,0
+2023-08-07,3,2
+2023-08-08,2,0