diff --git a/components/popconfirm/demo/placement.md b/components/popconfirm/demo/placement.md
index c61d066a7b..0ec797858c 100755
--- a/components/popconfirm/demo/placement.md
+++ b/components/popconfirm/demo/placement.md
@@ -1,10 +1,10 @@
 ## zh-CN
 
-位置有十二个方向。如需箭头指向目标元素中心，可以设置 `arrowPointAtCenter`。
+位置有十二个方向。如需箭头指向目标元素中心，可以设置 `arrow: { pointAtCenter: true }`。
 
 ## en-US
 
-There are 12 `placement` options available. Use `arrowPointAtCenter` if you want the arrow to point at the center of target.
+There are 12 `placement` options available. Use `arrow: { pointAtCenter: true }` if you want the arrow to point at the center of target.
 
 <style>
 #components-popconfirm-demo-placement .ant-btn {