Update How-to-release.md (#986)

2018-03-25 12:42:07 +08:00 · 2018-03-25 12:42:07 +08:00 · 87a4959725
parent e13ff79326
commit 87a4959725
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--- 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
 ```