From 954867828b7f4cf63f4159c6a95762baa3fa131d Mon Sep 17 00:00:00 2001
From: Jun Hiroe <Jun.Hiroe@gmail.com>
Date: Thu, 3 Jul 2014 08:27:18 +0900
Subject: Add a caution to Your Pull Request document.

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

(limited to 'CONTRIBUTING.md')

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b8db5a7dc..7e102a9d5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,6 +14,7 @@ things in mind before submitting your pull request:
 * Don't mix several features or bug-fixes in one pull request
 * Create a meaningful commit message
 * Explain your change (i.e. with a link to the issue you are fixing)
+* Use mrbgem to provide non ISO features (classes, modules and methods) unless you have a special reason to implement them in the core
 
 ## Coding conventions
 
-- 
cgit v1.2.3