From 45213e0eb66ad5d298b2826dff282c2cfb59d646 Mon Sep 17 00:00:00 2001
From: wing328 <wing328hk@gmail.com>
Date: Tue, 25 Jul 2017 15:09:38 +0800
Subject: [PATCH] add tips about github keyword

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

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 023840bf8f2..3d6ae53fcb4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -88,3 +88,4 @@ To start the CI tests, you can run `mvn verify -Psamples` (assuming you've all t
 - File a PR with meaningful title, description and commit messages. A good example is [PR-3306](https://github.com/swagger-api/swagger-codegen/pull/3306)
 - Recommended git settings
    - `git config --global core.autocrlf input` to tell Git convert CRLF to LF on commit but not the other way around 
+- To close an issue (e.g. issue 1542) automatically after a PR is merged, use keywords "fix", "close", "resolve" in the PR description, e.g. `fix #1542`. (Ref: [closing issues using keywords](https://help.github.com/articles/closing-issues-using-keywords/))