message: Updating readme to show Windows binary support.
diff: @@ -40,8 +40,8 @@ People who are a little more adventurous can also try our nightly binaries:
  * We are pleased to announce that TensorFlow now offers nightly pip packages
  under the [tf-nightly](https://pypi.python.org/pypi/tf-nightly) project on pypi.
  Simply run `pip install tf-nightly` in a clean environment to install the nightly
  -tensorflow build. We currently only support CPU-only packages on Linux and Mac.
  -GPU packages on all platforms and Windows CPU-only packages will arrive soon!
  +tensorflow build. We currently only support CPU packages on Linux, Mac, and Windows.
  +GPU packages on all platforms will arrive soon!
  **Individual whl files**
  