From f3d5deb981838351b245d1ba9dec5b1c0c62bee0 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 26 Jan 2021 18:21:49 +0900
Subject: Clarify that contributors agree with MIT license in
 `CONTRIBUTING.md`.

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

(limited to 'CONTRIBUTING.md')

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fa1c847a9..2ffd759b1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,6 +1,7 @@
 # How to contribute
 
 mruby is an open-source project which is looking forward to each contribution.
+Contributors agree to license their contribution(s) under MIT license.
 
 ## Your Pull Request
 
@@ -47,11 +48,13 @@ on-demand.
 
 #### Insert a break after the function return value:
 
+    ```C
     int
     main(void)
     {
       ...
     }
+    ```
 
 ### Ruby code
 
-- 
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