update PATHS.md

PATHS.md

@@ -1,29 +1,36 @@
 # Folder Structure of Key Mapper
 
-Stuff has to be placed in /usr/share/X11/xkb to my knowledge. In order to
+Stuff has to be placed in `/usr/share/X11/xkb` to my knowledge. In order to
 be able to make backups of the configs, which would be expected in the
-users home directory, this is symlinked to home.
+users home directory, this is symlinked to home where the actual files are.
 
-Every user gets a path within that /usr directory which is very
+Every user gets a path within that `/usr/...` directory which is very
 unconventional, but it works. This way the presets of multiple users
 don't clash.
 
+**Presets**
+
+- `/usr/share/X11/xkb/symbols/key-mapper/<user>/<device>/<preset>`
+- `/home/<user>/.config/key-mapper/<device>/<preset>`
+
 This is how a single preset is stored. The path in /usr is a symlink, the
 files are actually in home.
-- /usr/share/X11/xkb/symbols/key-mapper/<user>/<device>/<preset>
-- /home/<user>/.config/key-mapper/<device>/<preset>
+
+**Defaults**
+
+- `/usr/share/X11/xkb/symbols/key-mapper/<user>/default`
+- `/home/<user>/.config/key-mapper/default`
 
 This is where key-mapper stores the defaults. They are generated from the
 parsed output of `xmodmap` and used to keep the unmapped keys at their system
 defaults.
-- /usr/share/X11/xkb/symbols/key-mapper/<user>/default
-- /home/<user>/.config/key-mapper/default
 
-Because the concept of "reasonable symbolic names" [3] doesn't apply
-when mouse buttons are all over the place, an identity mapping
-to make generating "symbols" files easier/possible exists.
-Keycode 10 -> "<10>". This has the added benefit that keycodes reported
-by xev can be identified in the symbols file.
-- /usr/share/X11/xkb/keycodes/key-mapper
+**Keycodes**
+
+- `/usr/share/X11/xkb/keycodes/key-mapper`
 
-[3] https://www.x.org/releases/X11R7.7/doc/xorg-docs/input/XKB-Enhancing.html
+Because the concept of "reasonable symbolic names" ([www.x.org](https://www.x.org/releases/X11R7.7/doc/xorg-docs/input/XKB-Enhancing.html))
+doesn't apply when mouse buttons are all over the place, an identity mapping
+to make generating "symbols" files easier/possible exists. A keycode of
+10 will be known as "<10>" in symbols configs. This has the added benefit
+that keycodes reported by xev can be identified in the symbols file.