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README.md

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-# syzkaller - linux kernel fuzzer
+# syzkaller - kernel fuzzer
 
 [![Build Status](https://travis-ci.org/google/syzkaller.svg?branch=master)](https://travis-ci.org/google/syzkaller)
 
-`syzkaller` is an unsupervised coverage-guided Linux kernel fuzzer.
+`syzkaller` is an unsupervised coverage-guided kernel fuzzer. `Linux` kernel fuzzing has the most support, `akaros`, `freebsd`, `fuchsia`, `netbsd` and `windows` are supported to varying degrees.
 
 The project mailing list is [[email protected]](https://groups.google.com/forum/#!forum/syzkaller).
 You can subscribe to it with a google account or by sending an email to [email protected].