Fixes some basic grammatical mistakes (#3053)

BUILDING_ON_LINUX.md

@@ -4,27 +4,28 @@ Note on Qt version compatibility: If you are installing Qt from a package manage
 
 ## Ubuntu 18.04
 
-_most likely works the same for other Debian-like distros_
+_Most likely works the same for other Debian-like distros_
 
-1. Install dependencies `sudo apt install qttools5-dev qtmultimedia5-dev libqt5svg5-dev libboost-dev libssl-dev libboost-system-dev libboost-filesystem-dev cmake g++`
+1. Install all of the dependencies using `sudo apt install qttools5-dev qtmultimedia5-dev libqt5svg5-dev libboost-dev libssl-dev libboost-system-dev libboost-filesystem-dev cmake g++`
 
-### Through Qt Creator
+### Compiling through Qt Creator
 
-1. Install C++ IDE Qt Creator `sudo apt install qtcreator`
+1. Install C++ IDE Qt Creator by using `sudo apt install qtcreator`
 1. Open `chatterino.pro` with Qt Creator and select build
 
 ### Manually
 
-1. go into project directory
-1. create build folder `mkdir build && cd build`
+1. Go into the project directory
+1. Create a build folder and go into it (`mkdir build && cd build`)
+1. Use one of the options below to compile it
 
-#### Using QMake
+### Using CMake
 
-1. `qmake .. && make`
+`cmake .. && make`
 
-#### Using CMake
+### Using QMake
 
-1. `cmake .. && make`
+`qmake .. && make`
 
 ## Arch Linux
 
@@ -34,50 +35,47 @@ _most likely works the same for other Debian-like distros_
 
 ### Manually
 
-1. `sudo pacman -S qt5-base qt5-multimedia qt5-svg qt5-tools gst-plugins-ugly gst-plugins-good boost rapidjson pkgconf openssl cmake`
-1. go into project directory
-1. create build folder `mkdir build && cd build`
+1. Install all of the dependencies using `sudo pacman -S qt5-base qt5-multimedia qt5-svg qt5-tools gst-plugins-ugly gst-plugins-good boost rapidjson pkgconf openssl cmake`
+1. Go into the project directory
+1. Create a build folder and go into it (`mkdir build && cd build`)
+1. Use one of the options below to compile it
 
-#### Using QMake
+### Using CMake
 
-1. `qmake .. && make`
+`cmake .. && make`
 
-#### Using CMake
+### Using QMake
 
-1. `cmake .. && make`
+`qmake .. && make`
 
 ## Fedora 28 and above
 
-_most likely works the same for other Red Hat-like distros. Substitue `dnf` with `yum`._
+_Most likely works the same for other Red Hat-like distros. Substitute `dnf` with `yum`._
 
-1. `sudo dnf install qt5-qtbase-devel qt5-qtmultimedia-devel qt5-qtsvg-devel libsecret-devel openssl-devel boost-devel cmake`
-1. go into project directory
-1. create build folder `mkdir build && cd build`
-
-### Using QMake
-
-1. `qmake-qt5 .. && make -j$(nproc)`
+1. Install all of the dependencies using `sudo dnf install qt5-qtbase-devel qt5-qtmultimedia-devel qt5-qtsvg-devel libsecret-devel openssl-devel boost-devel cmake`
+1. Go into the project directory
+1. Create a build folder and go into it (`mkdir build && cd build`)
+1. Use one of the options below to compile it
 
 ### Using CMake
 
-1. `cmake .. && make -j$(nproc)`
+`cmake .. && make -j$(nproc)`
 
-### Optional dependencies
+### Using QMake
 
-_`gstreamer-plugins-good` package is retired in Fedora 31, see: [rhbz#1735324](https://bugzilla.redhat.com/show_bug.cgi?id=1735324)_
-
-1. `sudo dnf install gstreamer-plugins-good` _(optional: for audio output)_
+`qmake-qt5 .. && make -j$(nproc)`
 
 ## NixOS 18.09+
 
-1. enter the development environment with all of the dependencies: `nix-shell -p openssl boost qt5.full pkg-config cmake`
-1. go into project directory
-1. create build folder `mkdir build && cd build`
-
-### Using QMake
-
-1. `qmake .. && make`
+1. Enter the development environment with all of the dependencies: `nix-shell -p openssl boost qt5.full pkg-config cmake`
+1. Go into the project directory
+1. Create a build folder and go into it (`mkdir build && cd build`)
+1. Use one of the options below to compile it
 
 ### Using CMake
 
-1. `cmake .. && make`
+`cmake .. && make`
+
+### Using QMake
+
+`qmake .. && make`