From 91d875913cb5adf592f0f32980701be452692783 Mon Sep 17 00:00:00 2001
From: Shude Li <lishude@aliyun.com>
Date: Mon, 23 Apr 2018 00:04:30 +0800
Subject: [PATCH] doc(compose_file): fix version number of secrets (#332)

---
 compose/compose_file.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compose/compose_file.md b/compose/compose_file.md
index fbbd9f0..fbb1955 100644
--- a/compose/compose_file.md
+++ b/compose/compose_file.md
@@ -393,8 +393,8 @@ ports:
 
 存储敏感数据，例如 `mysql` 服务密码。
 
-```bash
-version: "3"
+```yaml
+version: "3.1"
 services:
 
 mysql: