message: Update Supported Platforms in README.md
diff: @@ -37,11 +37,11 @@ See the section on <a href="#safety">safety</a> below for details of known unsaf
  ## Supported Platforms
  -We aim to support _at least_ Active LTS and Current Node.js releases, Electron 3.0.0, as well as any future Node.js and Electron releases thanks to [N-API](https://nodejs.org/api/n-api.html). Because N-API has an experimental status in node 6 and early 8.x releases, the minimum node version for `leveldown` is `8.6.0`.
  +We aim to support _at least_ Active LTS and Current Node.js releases, Electron 4.0.0, as well as any future Node.js and Electron releases thanks to [N-API](https://nodejs.org/api/n-api.html). Because N-API has an experimental status in node 6 and early 8.x releases, the minimum node version for `leveldown` is `8.6.0`.
  -The `leveldown` npm package ships with prebuilt binaries for popular 64-bit platforms as well as ARM and Android and is known to work on:
  +The `leveldown` npm package ships with prebuilt binaries for popular 64-bit platforms as well as ARM, Android and Alpine (musl) and is known to work on:
  -- **Linux** (including ARM platforms such as Raspberry Pi _and Kindle!_)
  +- **Linux** (including ARM platforms such as Raspberry Pi and Kindle)
  - **Mac OS**
  - **Solaris** (SmartOS & Nodejitsu)
  - **FreeBSD**
  