From 87a49597252f73eb057297bb820be9be63991353 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BD=AD=E5=8B=87=E5=8D=87=20pengys?= <8082209@qq.com>
Date: Sun, 25 Mar 2018 12:42:07 +0800
Subject: [PATCH] Update How-to-release.md (#986)

---
 docs/en/How-to-release.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/en/How-to-release.md b/docs/en/How-to-release.md
index 9e609bc128..70544dca8d 100644
--- a/docs/en/How-to-release.md
+++ b/docs/en/How-to-release.md
@@ -48,6 +48,7 @@ The release will automatically be inserted into a temporary staging repository f
 ## Build and sign the source code package
 ```shell
 switch to release version tag
+export RELEASE_VERSION=x.y.z (example: RELEASE_VERSION=5.0.0-alpha)
 cd tools/releasing
 sh create_source_release.sh
 ```
-- 
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