Updated note about Windows

There's a lot of old info around the interwebs.
Much stating nvm doesn't work in WSL.

README.md

@@ -118,7 +118,7 @@ which should output 'nvm' if the installation was successful. Please note that `
 
 If you're running a system without prepackaged binary available, which means you're going to install nodejs or io.js from its source code, you need to make sure your system has a C++ compiler. For OS X, Xcode will work, for Debian/Ubuntu based GNU/Linux, the `build-essential` and `libssl-dev` packages work.
 
-**Note:** `nvm` does not support Windows (see [#284](https://github.com/nvm-sh/nvm/issues/284)). Two alternatives exist, which are neither supported nor developed by us:
+**Note:** `nvm` does not support Windows (see [#284](https://github.com/nvm-sh/nvm/issues/284)), but may work in WSL (Windows Subsystem for Linux) depending on the version of WSL. For Windows, two alternatives exist, which are neither supported nor developed by us:
 
   - [nvm-windows](https://github.com/coreybutler/nvm-windows)
   - [nodist](https://github.com/marcelklehr/nodist)