diff --git a/codes/c#/chapter_array_and_linkedlist/Array.cs b/codes/c#/chapter_array_and_linkedlist/Array.cs
index cb6115050..8f836a4f1 100644
--- a/codes/c#/chapter_array_and_linkedlist/Array.cs
+++ b/codes/c#/chapter_array_and_linkedlist/Array.cs
@@ -4,7 +4,7 @@
 * Author: mingXta (1195669834@qq.com)
 */
  
-namespace hello_algo.chapter_arrag_and_linkedlist
+namespace hello_algo.chapter_array_and_linkedlist
 {
     public class Array
     {