diff --git a/README-cn.md b/README-cn.md
index 0dc6fc3..f455b77 100644
--- a/README-cn.md
+++ b/README-cn.md
@@ -332,7 +332,7 @@
 - [ ] [渐进性（Asymptotics）（视频）](https://class.coursera.org/algorithmicthink1-004/lecture/61)
 - [ ] [UC Berkeley Big O（视频）](https://youtu.be/VIS4YDpuP98)
 - [ ] [UC Berkeley Big Omega（视频）](https://youtu.be/ca3e7UVmeUc)
-- [ ] [摊提法分析（Amortized Analysis）（视频）](https://www.youtube.com/watch?v=B3SpQZaAZP4&index=10&list=PL1BaGV1cIH4UhkL8a9bJGG356covJ76qN)
+- [ ] [平摊分析法（Amortized Analysis）（视频）](https://www.youtube.com/watch?v=B3SpQZaAZP4&index=10&list=PL1BaGV1cIH4UhkL8a9bJGG356covJ76qN)
 - [ ] [举证“Big O”（视频）](https://class.coursera.org/algorithmicthink1-004/lecture/63)
 - [ ] TopCoder (includes recurrence relations and master theorem):
     - [计算性复杂度：第一部](https://www.topcoder.com/community/data-science/data-science-tutorials/computational-complexity-section-1/)