diff --git a/README.md b/README.md
index 6c154c2..220f704 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,4 @@
 
 ### License
 
-CC0 1.0 Universal
+See each directories for licenses. All codes are licensed under CC0 1.0 Universal if not specified.