diff --git a/notes/算法.md b/notes/算法.md
index e3786249..3dca215a 100644
--- a/notes/算法.md
+++ b/notes/算法.md
@@ -1609,5 +1609,5 @@ public class SparseVector {
 
 # 参考资料
 
-- Sedgewick R. Algorithms[M]. Pearson Education India, 1988.
+- Sedgewick, Robert, and Kevin Wayne. _Algorithms_. Addison-Wesley Professional, 2011.