correct minor typos in doc

docs/sphinx/source/install.rst

@@ -4,13 +4,14 @@
 
 Avatar ENSignes runs with the `Godot Game Engine <https://godotengine.org>`_.
 
-Installing Avatar ENSignes
+Install Avatar ENSignes
 --------------------------
 
-Clone the Git repository to get the software:``git clone
-https://gitlab.aliens-lyon.fr/avatar-ensignes/software.git``
+Clone the Git repository to get the software::
+  
+    git clone https://gitlab.aliens-lyon.fr/avatar-ensignes/software.git
 
-Installing Godot
+Install Godot
 ----------------
 
 On Windows:
@@ -20,19 +21,31 @@ Install the binary from `Godot website
   
 On MacOS:
 ^^^^^^^^^
-The easiest way is to install it with brew: ``brew cask install godot``
+The easiest way is to install it with brew::
+
+  brew cask install godot
 
 On Linux
 ^^^^^^^^
-+ Ubuntu: The easiest way is to use Ubuntu snaps: ``sudo snap install godot``
-+ Fedora: ``yum install godot``
++ Ubuntu: The easiest way is to use Ubuntu snaps::
+
+    sudo snap install godot
+  
++ Fedora::
+
+	yum install godot
+
++ Void::
+
+	xbps-install godot
+	
 + Archlinux: Godot is available in the AUR::
 
 	cd /tmp
 	git clone https://aur.archlinux.org/godot.git & cd godot
 	makepkg -si
 
-Install project dependancies
+Install project dependencies
 ----------------------------
 
 + ``yaml-cpp``