diff --git a/README.md b/README.md
index 6225c7ed4873..b74680a55abb 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 Servo is a prototype web browser engine written in the
 [Rust](https://github.com/rust-lang/rust) language. It is currently developed on
-64-bit OS X, 64-bit Linux, and Android.
+64-bit OS X, 64-bit Linux, 64-bit Windows, and Android.
 
 Servo welcomes contribution from everyone.  See
 [`CONTRIBUTING.md`](CONTRIBUTING.md) and [`HACKING_QUICKSTART.md`](docs/HACKING_QUICKSTART.md)