diff --git a/airootfs/etc/systemd/resolved.conf.d/archiso.conf b/airootfs/etc/systemd/resolved.conf.d/mdns.conf
similarity index 100%
rename from airootfs/etc/systemd/resolved.conf.d/archiso.conf
rename to airootfs/etc/systemd/resolved.conf.d/mdns.conf
diff --git a/airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf b/airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf
index c9f9bce..c875311 100644
--- a/airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf
+++ b/airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf
@@ -1,6 +1,3 @@
-# Allow systemd-networkd-wait-online to succeed with one interface, otherwise, if multiple network interfaces exist,
-# network-online.target gets needlessly delayed.
-# See https://wiki.archlinux.org/title/systemd-networkd#systemd-networkd-wait-online
 [Service]
 ExecStart=
 ExecStart=/usr/lib/systemd/systemd-networkd-wait-online --any
diff --git a/readme.md b/readme.md
index 6608d4a..ddda47e 100644
--- a/readme.md
+++ b/readme.md
@@ -1,14 +1,82 @@
 # Abrechenbarkeit SD
 
-An immutable linux distribution exclusively for running 
+An immutable linux distribution exclusively for running web applications such as
+Abrechenbarkeit.
 
+## Configuration
 
-EFI Variables for Configuration
+This distribution on its own is rather application agnostic. It can run any
+web-app of your choice. All configuration is done through EFI firmware variables
+(yes thats a very bad idea).
 
-- 97b6e7a4-b8a6-4d85-b7c4-0030bb5f2d38-WlanSSID
-- 97b6e7a4-b8a6-4d85-b7c4-0030bb5f2d38-WlanPSK
+- 97b6e7a4-b8a6-4d85-b7c4-0030bb5f2d38-WlanSSID (optional)
+- 97b6e7a4-b8a6-4d85-b7c4-0030bb5f2d38-WlanPSK (optional)
 - 97b6e7a4-b8a6-4d85-b7c4-0030bb5f2d38-AppUrl
 
+## Building
+
+Run `mkarchiso -v -w /tmp/abrecheniso .`. For more information see
+[the ArchWiki article](https://wiki.archlinux.org/title/Archiso#Build_the_ISO).
+
+## File Overview
+
+- `airootfs/etc/hostname` Sets hostname to "asd"
+- `airootfs/etc/locale.conf` Sets locale to C
+- `airootfs/etc/localtime` Sets Europe/Berlin timezone
+- `airootfs/etc/mkinitcpio.conf.d/archiso.conf` Standard mkinitcpio config
+- `airootfs/etc/mkinitcpio.d/linux.preset` Standard mkinitcpio config
+- `airootfs/etc/os-release` Rebrands system
+- `airootfs/etc/pam.d/cage` Allows cage to start a user session
+- `airootfs/etc/shadow` Passwords (none)
+- `airootfs/etc/ssh/sshd_config.d/10-login.conf` Allow root login, disable
+  password login
+- `airootfs/etc/systemd/network.conf.d/ipv6-privacy-extensions.conf` Randomize
+  IPv6
+- `airootfs/etc/systemd/network/20-ethernet.network` Configure ethernet via
+  DHCP + mDNS
+- `airootfs/etc/systemd/network/20-wireless.network` Configure wireless via
+  DHCP + mDNS
+- `airootfs/etc/systemd/network/20-rename-wlan.link` Rename all wireless
+  interfaces to "wfi0"
+- `airootfs/etc/systemd/resolved.conf.d/mdns.conf` Enable mDNS host resolver
+- `airootfs/etc/systemd/system/abrechenbarkeit@.service` Systemd service that
+  starts a wayland compositor with electron running the target application. Run
+  after network is online, video drivers are initialized and user sessions can
+  be used. Replaces getty for that tty.
+- `airootfs/etc/systemd/system/configure_wpa.service` Configuration service
+  strictly running before wpa_supplicant but only if the required EFI variable
+  is set.
+- `airootfs/etc/systemd/system/default.target` Targeting graphical.target at
+  boot
+- `airootfs/etc/systemd/system/graphical.target.wants/abrechenbarkeit@tty1.service`
+  Enables the UI for tty1 for graphical.target
+- `airootfs/etc/systemd/system/multi-user.target.wants` Enables other services:
+  sshd, systemd-networkd, systemd-resolved and others
+- `airootfs/etc/systemd/system/network-online.target.wants` Enables
+  wpa_supplicant and our configuration service
+- `airootfs/etc/systemd/system/systemd-networkd-wait-online.service.d/wait-for-only-one-interface.conf`
+  Waits for only one interface, where default would be all
+- `airootfs/etc/systemd/system/wpa_supplicant@.service.d/override.conf` Patches
+  wpa_supplicant to require configure_wpa.service
+- `airootfs/etc/sysusers.d/abrechenbarkeit.conf` Creates abrechenbarkeit user at
+  system boot
+- `airootfs/etc/tmpfiles.d/abrechenbarkeit.conf` Creates abrechenbarkeit home
+  directory at system boot
+- `airootfs/etc/udev/rules.d/99-dri.rules` Creates systemd device node to depend
+  upon for /dev/dri/card0
+- `airootfs/usr/local/bin/configure_wpa` Generates wpa_supplicant configuration
+  from EFI variables
+- `airootfs/usr/share/pacman/keyrings/metamuffin-infra-trusted` Adds
+  metamuffin-infra repositories as trusted. Might be useful for updating.
+- `efiboot/loader/entries/asd.conf` gummiboot entry with the OS name
+- `efiboot/loader/loader.conf` Sets asd.conf as default boot entry
+- `packages.x86_64` List of all packages to preinstall
+- `bootstrap_packages.x86_64` List of all packages to install for installation
+- `pacman.conf` Standard pacman config
+- `profiledef.sh` mkarchiso profile definition with systemd-boot replacing all
+  other bootloaders
+- `readme.md` This file; Documenting the config files
+
 ## Licence
 
 See COPYING; AGPL-3.0-only