diff --git a/Persain/05_lists.md b/Persain/05_lists.md
index 5f63a97..be30853 100644
--- a/Persain/05_lists.md
+++ b/Persain/05_lists.md
@@ -416,7 +416,7 @@ print(fruits_and_vegetables ) # ['banana', 'orange', 'mango', 'lemon', 'Tomato',
 # سینتکس
 list1 = ['item1', 'item2']
 list2 = ['item3', 'item4', 'item5']
-list1.extend(list2)
+list1.extend(list2) # ['item1', 'item2', 'item3', 'item4', 'item5']
 ```
 
 ```py