From 526f2ffb58b5a78859da908528a41a2742a97f51 Mon Sep 17 00:00:00 2001
From: "yuichi.watanabe" <yuichi.watanabe@nulab-inc.com>
Date: Sun, 29 Jul 2018 23:31:05 +0900
Subject: [PATCH] update README.md

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

diff --git a/README.md b/README.md
index d7fb9d2..2a974d1 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ If you do not specify a FILE_PATH, it will listen on standard input.
 --key, -K value      (Required) backlog api key.                      [$BACKLOG_API_KEY]
 --lang, -l value     language setting. (ja or en) (default: "en")     [$BACKLOG_LANG]
 --progress, -p       show progress bar
+--check, -c          check mode (validation only)
 --help, -h           show help
 --version, -v        print the version
 ```