message: README: Fix a couple typos and styling issues.
  Apple uses the name "macOS", or previously, "Mac OS X", not "macOS X".
  Matrix channel link label had a typo.
diff: @@ -5,8 +5,8 @@ Gittyup
  ==================================
  Gittyup is a graphical Git client designed to help you understand and manage your source code history. The [pre-release](https://github.com/Murmele/Gittyup/releases)
  -is available either as pre-built [flatpak for Linux](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup.flatpak), [32](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-win32-1.1.0-dev.exe) / [64](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-win64-1.1.0-dev.exe) binary for Windows, [macOS X](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-1.1.0-dev.dmg),
  -or, can be built from source by following the directions [below](https://github.com/Murmele/Gittyup#how-to-build).
  +is available either as pre-built [flatpak for Linux](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup.flatpak), [32](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-win32-1.1.0-dev.exe) / [64](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-win64-1.1.0-dev.exe) binary for Windows, [macOS](https://github.com/Murmele/Gittyup/releases/download/latest/Gittyup-1.1.0-dev.dmg),
  +or can be built from source by following the directions [below](https://github.com/Murmele/Gittyup#how-to-build).
  Gittyup is a continuation of the [GitAhead](https://github.com/gitahead/gitahead) client.
  @@ -14,7 +14,7 @@ Gittyup is a continuation of the [GitAhead](https://github.com/gitahead/gitahead
  Features
  ---------------
  -To get an overview of the current features please have a look at the [Github Page](https://murmele.github.io/Gittyup/)
  +To get an overview of the current features please have a look at the [GitHub Page](https://murmele.github.io/Gittyup/)
  How to Get Help
  ---------------
  @@ -29,7 +29,7 @@ Report bugs in Gittyup by opening an issue in the
  Remember to search for existing issues before creating a new one.
  If you still need help, check out our Matrix channel
  -[Gittyup:martix.org](https://matrix.to/#/#Gittyup:matrix.org).
  +[Gittyup:matrix.org](https://matrix.to/#/#Gittyup:matrix.org).
  Build Environment
  -----------------
  