diff --git a/grades.csv b/grades.csv
index 5e163e5..bb9fdb5 100644
--- a/grades.csv
+++ b/grades.csv
@@ -1,2 +1,4 @@
-12345678910,20.0
-
+Student number,Grade
+1234; 6.0
+96543; 16.8
+12345678910; 20.0