diff --git a/exercises/day-01/datapop_shares_aus.csv b/exercises/day-01/datapop_shares_aus.csv
index 7c3f57a..801b9c3 100644
--- a/exercises/day-01/datapop_shares_aus.csv
+++ b/exercises/day-01/datapop_shares_aus.csv
@@ -1,5 +1,5 @@
-,age,1960,1960,2023,2023
-,groups,female,male,female,male
+, ,1960,1960,2023,2023
+,age,female,male,female,male
 0,00-04,-10.48067678,10.78184486,-5.574326622,5.966724922
 1,05-09,-9.91193809,10.1402285,-5.862371841,6.276601226
 2,10-14,-9.396905146,9.665173782,-5.943781724,6.343711325