diff --git a/docs/cs-basics/algorithms/10-classical-sorting-algorithms.md b/docs/cs-basics/algorithms/10-classical-sorting-algorithms.md
index 81bd68a5..9c4e1eb6 100644
--- a/docs/cs-basics/algorithms/10-classical-sorting-algorithms.md
+++ b/docs/cs-basics/algorithms/10-classical-sorting-algorithms.md
@@ -259,7 +259,7 @@ public static int[] shellSort(int[] arr) {
 
 - **稳定性**：稳定
 - **时间复杂度** ：最佳：O(nlogn)， 最差：O(n2) 平均：O(nlogn)
-- **空间复杂度** ：`O(n)`
+- **空间复杂度** ：`O(1)`
 
 ## 归并排序 (Merge Sort)