message: Fixed typos, alphabetical ordering
  freeBSD->FreeBSD.
  Ordered OS support alphabetically.
diff: @@ -5,7 +5,7 @@ Alacritty
  Alacritty is the fastest terminal emulator in existence. Using the GPU for
  rendering enables optimizations that simply aren't possible in other emulators.
  -Alacritty currently supports freeBSD, macOS and Linux. Windows support is planned
  +Alacritty currently supports FreeBSD, Linux and macOS. Windows support is planned
  before the 1.0 release.
  <p align="center">
  