diff --git a/07_Day_Sets/07_sets.md b/07_Day_Sets/07_sets.md
index 12bc2ca4..bb16cc1d 100644
--- a/07_Day_Sets/07_sets.md
+++ b/07_Day_Sets/07_sets.md
@@ -380,7 +380,7 @@ st2.isdisjoint(st1) # False
 
 ```py
 even_numbers = {0, 2, 4 ,6, 8}
-even_numbers = {1, 3, 5, 7, 9}
+odd_numbers = {1, 3, 5, 7, 9}
 even_numbers.isdisjoint(odd_numbers) # True, because no common item
 
 python = {'p', 'y', 't', 'h', 'o','n'}