Fixed section for changelog entry.

README.md

@@ -63,10 +63,10 @@ GLFW bundles a number of dependencies in the `deps/` directory.
 ## Changelog
 
  - Minimum required CMake version updated to 2.8.12
- - Renamed hybrid GPU override compile-time option to `_GLFW_USE_HYBRID_HPG` and
-   added support for AMD PowerXpress systems
  - Bugfix: Initialization failed on headless systems
  - Bugfix: The cached current context could get out of sync
+ - [Win32] Renamed hybrid GPU override compile-time option to
+           `_GLFW_USE_HYBRID_HPG` and added support for AMD PowerXpress systems
  - [Cocoa] Bugfix: The cached `NSScreen` for a monitor could get out of sync
  - [Cocoa] Bugfix: The `GLFW_AUTO_ICONIFY` window hint was ignored
  - [Cocoa] Bugfix: Resizing a window to its minimum size would segfault