message: Indicates glibc version
diff: @@ -61,8 +61,8 @@ Download static-linked build [here](https://github.com/shadowsocks/shadowsocks-r
  Nightly builds could be downloaded from [CircleCI](https://circleci.com/gh/shadowsocks/shadowsocks-rust).
  * `build-windows`: Build for `x86_64-pc-windows-msvc`
  -* `build-linux`: Build for `x86_64-unknown-linux-gnu`, Debian 9 (Stretch)
  -* `build-docker`: Build for `x86_64-unknown-linux-musl`, `x86_64-pc-windows-gnu`
  +* `build-linux`: Build for `x86_64-unknown-linux-gnu`, Debian 9 (Stretch), GLIBC 2.18
  +* `build-docker`: Build for `x86_64-unknown-linux-musl`, `x86_64-pc-windows-gnu` (statically linked)
  ### **Build from source**
  