diff --git a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
index 6d0064c..9ae736e 100644
--- a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
+++ b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
@@ -391,8 +391,8 @@ Norway Oslo
 ### Exercises:Level 1
 
 ```js
-const a = {4, 5, 8, 9}
-const b = {3, 4, 5, 7}
+const a = [4, 5, 8, 9]
+const b = [3, 4, 5, 7]
 const countries = ['Finland', 'Sweden', 'Norway']
 ```