diff --git a/pages/Basic_Move_Programming/sui_move_data_types.mdx b/pages/Basic_Move_Programming/sui_move_data_types.mdx
index 5a26440..d714c3f 100644
--- a/pages/Basic_Move_Programming/sui_move_data_types.mdx
+++ b/pages/Basic_Move_Programming/sui_move_data_types.mdx
@@ -436,11 +436,11 @@ Note: `<u64>` không bắc buộc phải có nếu như đã có các phần t
 
 
 ```rust 
-let v = vector::empty();
+let mut v = vector::empty();
 
-v::push_back(&mut v, 5);
-v::push_back(&mut v, 6);
-v::push_back(&mut v, 6);
+vector::push_back(&mut v, 5);
+vector::push_back(&mut v, 6);
+vector::push_back(&mut v, 6);
 ```
 
 ![](../assets/Basic_Move_Programming_image/AI_test_move.png)
@@ -774,4 +774,4 @@ debug::print(&absent);
 ![](../assets/Basic_Move_Programming_image/option_example.png)
 
 
- 
\ No newline at end of file
+