From bfd574b3e055966743217882b587ee5e0e2d17e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Monda?= <laci@monda.hu>
Date: Fri, 16 Jun 2017 01:01:25 +0200
Subject: [PATCH] Create CONTRIBUTING.md

---
 CONTRIBUTING.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a50c61f..73837e4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,9 +14,11 @@ Extern functions and variables are written with UpperCamelCase, non-extern funct
 
 Function names are composed of a verb followed by a noun.
 
+Non-extern functions must be declared as static.
+
 ```
 DoThisExtern();
-doThisNonExtern();
+static doThisNonExtern();
 uint8 ExternVariable;
 uint8 nonExternVariable;
 ```