diff --git a/0189-Rotate-Array/Article/0189-Rotate-Array.md b/0189-Rotate-Array/Article/0189-Rotate-Array.md
index e67fbdef..c41c1747 100644
--- a/0189-Rotate-Array/Article/0189-Rotate-Array.md
+++ b/0189-Rotate-Array/Article/0189-Rotate-Array.md
@@ -65,6 +65,8 @@ class Solution {
             int tmp = nums[start];
             nums[start] = nums[end];
             nums[end] = tmp;
+            start++;
+            end--;
         }
     }
 }