From 32b07c24d61e6650382db369e5183035631eec81 Mon Sep 17 00:00:00 2001
From: Wiwi Kuan <wiwikuan@gmail.com>
Date: Sun, 7 Apr 2019 18:01:32 +0800
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 88f9388..7816ba1 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # Circle of Fifths 五度圈
 用 JavaScript 和 p5.js 製作的互動、可旋轉的五度圈！
+
+CC BY-SA 授權，如你要使用本程式，必須清楚標示原作者「官大為 - Wiwi Kuan」，而且也必須以同樣的 CC BY-SA 授權分享。
+https://creativecommons.org/licenses/by-sa/4.0/