**This module has only been implemented for Mac OS X.**
-The `auto-updater` module is a simple wrap around the `Squirrel` framework, the
-`Squirrel` framework is not open sourced yet and atom-shell would download the
-binary of `Squirrel` when bootstrapping.
+The `auto-updater` module is a simple wrap around the
+[Squirrel.Mac](https://github.com/Squirrel/Squirrel.Mac) framework.
## Squirrel
* **out** - Temporary output directory of `ninja`.
* **dist** - Temporary directory created by `script/create-dist.py` script
when creating an distribution.
-* **frameworks** - Downloaded binaries of third-party frameworks, binaries
- here are usually either closed source or hard to be built via `gyp`.
+* **frameworks** - Downloaded binaries of third-party frameworks which do not
+ support to be built via `gyp`.