diff --git a/.github/workflows/combine.yml b/.github/workflows/combine.yml
index 938011e..435f74e 100644
--- a/.github/workflows/combine.yml
+++ b/.github/workflows/combine.yml
@@ -6,7 +6,7 @@ jobs:
   combine-prs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.3
+      - uses: actions/checkout@v3.0.0
       - uses: maadhattah/combine-dependabot-prs@main
         with:
           branchPrefix: "dependabot"
diff --git a/.github/workflows/generate-documentation.yml b/.github/workflows/generate-documentation.yml
index 1f28199..658483c 100644
--- a/.github/workflows/generate-documentation.yml
+++ b/.github/workflows/generate-documentation.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3.0.0
     - name: Github Action genshdoc
       id: action-genshdoc
       uses: vargiuscuola/genshdoc@master
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 0149ccb..5df60a8 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -39,7 +39,7 @@ jobs:
       # Checkout the code base #
       ##########################
       - name: Checkout Code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.0.0
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
diff --git a/REFERENCE-0-preinstall.md b/REFERENCE-0-preinstall.md
index 62746e0..c19244f 100644
--- a/REFERENCE-0-preinstall.md
+++ b/REFERENCE-0-preinstall.md
@@ -1,4 +1,23 @@
+# Preinstall
+
+Contains the steps necessary to configure and pacstrap the install to selected drive. 
+
+# Overview
+
+Creates the btrfs subvolumes. 
+
+
 # Functions
+* [mountallsubvol()](#mountallsubvol)
+* [subvolumesetup()](#subvolumesetup)
 
 
+## mountallsubvol()
+
+Mount all btrfs subvolumes after root has been mounted.
+
+## subvolumesetup()
+
+BTRFS subvolulme creation and mounting. 
+
 
diff --git a/REFERENCE-1-setup.md b/REFERENCE-1-setup.md
index 62746e0..1f18ef8 100644
--- a/REFERENCE-1-setup.md
+++ b/REFERENCE-1-setup.md
@@ -1,3 +1,7 @@
+# Setup
+
+Configures installed system, installs base packages, and creates user. 
+
 # Functions
 
 
diff --git a/REFERENCE-2-user.md b/REFERENCE-2-user.md
index 62746e0..a64d508 100644
--- a/REFERENCE-2-user.md
+++ b/REFERENCE-2-user.md
@@ -1,3 +1,7 @@
+# User
+
+User customizations and AUR package installation.
+
 # Functions
 
 
diff --git a/REFERENCE-3-post-setup.md b/REFERENCE-3-post-setup.md
index 62746e0..623e2e0 100644
--- a/REFERENCE-3-post-setup.md
+++ b/REFERENCE-3-post-setup.md
@@ -1,3 +1,7 @@
+# Post-Setup
+
+Finalizing installation configurations and cleaning up after script.
+
 # Functions
 
 
diff --git a/REFERENCE-archtitus.md b/REFERENCE-archtitus.md
index 62746e0..ecd766e 100644
--- a/REFERENCE-archtitus.md
+++ b/REFERENCE-archtitus.md
@@ -1,3 +1,7 @@
+# ArchTitus
+
+Entrance script that launches children scripts for each phase of installation.
+
 # Functions
 
 
diff --git a/REFERENCE-startup.md b/REFERENCE-startup.md
index 62746e0..221d4bf 100644
--- a/REFERENCE-startup.md
+++ b/REFERENCE-startup.md
@@ -1,4 +1,98 @@
+# Startup
+
+This script will ask users about their prefrences like disk, file system, timezone, keyboard layout, user name, password, etc.
+
+# Settings
+
+## General Settings
+* **CONFIG_FILE** (string)[default: **$CONFIGS_DIR/setup.conf**]: Location of setup.conf to be used by set_option and all subsequent scripts. 
+
+
 # Functions
+* [set_option()](#set_option)
+* [select_option()](#select_option)
+* [logo()](#logo)
+* [filesystem()](#filesystem)
+* [timezone()](#timezone)
+* [keymap()](#keymap)
+* [drivessd()](#drivessd)
+* [diskpart()](#diskpart)
+* [userinfo()](#userinfo)
+* [aurhelper()](#aurhelper)
+* [desktopenv()](#desktopenv)
+* [installtype()](#installtype)
 
 
+## set_option()
+
+set options in setup.conf
+
+### Output on stdout
+
+* Output routed to startup.log
+
+### Output on stderr
+
+* # @stderror Output routed to startup.log
+
+### Arguments
+
+* **$1** (string): Configuration variable.
+
+### Arguments
+
+* **$2** (string): Configuration value.
+
+## select_option()
+
+Renders a text based list of options that can be selected by the
+user using up, down and enter keys and returns the chosen option.
+
+  Arguments   : list of options, maximum of 256
+                "opt1" "opt2" ...
+  Return value: selected index (0 for opt1, 1 for opt2 ...)
+
+## logo()
+
+Displays ArchTitus logo
+
+_Function has no arguments._
+
+## filesystem()
+
+This function will handle file systems. At this movement we are handling only
+btrfs and ext4. Others will be added in future.
+
+## timezone()
+
+Detects and sets timezone. 
+
+## keymap()
+
+Set user's keyboard mapping. 
+
+## drivessd()
+
+Choose whether drive is SSD or not.
+
+## diskpart()
+
+Disk selection for drive to be used with installation.
+
+## userinfo()
+
+Gather username and password to be used for installation. 
+
+## aurhelper()
+
+Choose AUR helper. 
+
+## desktopenv()
+
+Choose Desktop Environment
+
+## installtype()
+
+Choose whether to do full or minimal installation. 
+
 
diff --git a/archtitus.sh b/archtitus.sh
index dedd6c4..afed5fa 100755
--- a/archtitus.sh
+++ b/archtitus.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 #github-action genshdoc
+#
+# @file ArchTitus
+# @brief Entrance script that launches children scripts for each phase of installation.
 
 # Find the name of the folder the scripts are in
 set -a
diff --git a/scripts/0-preinstall.sh b/scripts/0-preinstall.sh
index 3741b6d..63af03a 100755
--- a/scripts/0-preinstall.sh
+++ b/scripts/0-preinstall.sh
@@ -8,7 +8,9 @@
 #  ╚═╝  ╚═╝╚═╝  ╚═╝ ╚═════╝╚═╝  ╚═╝   ╚═╝   ╚═╝   ╚═╝    ╚═════╝ ╚══════╝
 #-------------------------------------------------------------------------
 #github-action genshdoc
-
+#
+# @file Preinstall
+# @brief Contains the steps necessary to configure and pacstrap the install to selected drive. 
 echo -ne "
 -------------------------------------------------------------------------
    █████╗ ██████╗  ██████╗██╗  ██╗████████╗██╗████████╗██╗   ██╗███████╗
@@ -70,6 +72,7 @@ echo -ne "
                     Creating Filesystems
 -------------------------------------------------------------------------
 "
+# @description Creates the btrfs subvolumes. 
 createsubvolumes () {
     btrfs subvolume create /mnt/@
     btrfs subvolume create /mnt/@home
@@ -78,6 +81,7 @@ createsubvolumes () {
     btrfs subvolume create /mnt/@.snapshots
 }
 
+# @description Mount all btrfs subvolumes after root has been mounted.
 mountallsubvol () {
     mount -o ${MOUNT_OPTIONS},subvol=@home ${partition3} /mnt/home
     mount -o ${MOUNT_OPTIONS},subvol=@tmp ${partition3} /mnt/tmp
@@ -85,6 +89,7 @@ mountallsubvol () {
     mount -o ${MOUNT_OPTIONS},subvol=@.snapshots ${partition3} /mnt/.snapshots
 }
 
+# @description BTRFS subvolulme creation and mounting. 
 subvolumesetup () {
 # create nonroot subvolumes
     createsubvolumes     
diff --git a/scripts/1-setup.sh b/scripts/1-setup.sh
index 22860c6..6ad2f93 100755
--- a/scripts/1-setup.sh
+++ b/scripts/1-setup.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 #github-action genshdoc
+#
+# @file Setup
+# @brief Configures installed system, installs base packages, and creates user. 
 echo -ne "
 -------------------------------------------------------------------------
    █████╗ ██████╗  ██████╗██╗  ██╗████████╗██╗████████╗██╗   ██╗███████╗
diff --git a/scripts/2-user.sh b/scripts/2-user.sh
index 2bb9646..8e60e6f 100755
--- a/scripts/2-user.sh
+++ b/scripts/2-user.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 #github-action genshdoc
+#
+# @file User
+# @brief User customizations and AUR package installation.
 echo -ne "
 -------------------------------------------------------------------------
    █████╗ ██████╗  ██████╗██╗  ██╗████████╗██╗████████╗██╗   ██╗███████╗
diff --git a/scripts/3-post-setup.sh b/scripts/3-post-setup.sh
index 0e94c72..c31cdab 100755
--- a/scripts/3-post-setup.sh
+++ b/scripts/3-post-setup.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 #github-action genshdoc
+#
+# @file Post-Setup
+# @brief Finalizing installation configurations and cleaning up after script.
 echo -ne "
 -------------------------------------------------------------------------
    █████╗ ██████╗  ██████╗██╗  ██╗████████╗██╗████████╗██╗   ██╗███████╗
diff --git a/scripts/startup.sh b/scripts/startup.sh
index 8406227..98bba69 100755
--- a/scripts/startup.sh
+++ b/scripts/startup.sh
@@ -1,23 +1,28 @@
 #!/usr/bin/env bash
 #github-action genshdoc
-# This script will ask users about their prefrences 
-# like disk, file system, timezone, keyboard layout,
-# user name, password, etc.
+#
+# @file Startup
+# @brief This script will ask users about their prefrences like disk, file system, timezone, keyboard layout, user name, password, etc.
+# @stdout Output routed to startup.log
+# @stderror Output routed to startup.log
 
-# set up a config file
+# @setting-header General Settings
+# @setting CONFIG_FILE string[$CONFIGS_DIR/setup.conf] Location of setup.conf to be used by set_option and all subsequent scripts. 
 CONFIG_FILE=$CONFIGS_DIR/setup.conf
 if [ ! -f $CONFIG_FILE ]; then # check if file exists
     touch -f $CONFIG_FILE # create file if not exists
 fi
 
-# set options in setup.conf
+# @description set options in setup.conf
+# @arg $1 string Configuration variable.
+# @arg $2 string Configuration value.
 set_option() {
     if grep -Eq "^${1}.*" $CONFIG_FILE; then # check if option exists
         sed -i -e "/^${1}.*/d" $CONFIG_FILE # delete option if exists
     fi
     echo "${1}=${2}" >>$CONFIG_FILE # add option
 }
-# Renders a text based list of options that can be selected by the
+# @description Renders a text based list of options that can be selected by the
 # user using up, down and enter keys and returns the chosen option.
 #
 #   Arguments   : list of options, maximum of 256
@@ -126,6 +131,8 @@ select_option() {
 
     return $(( $active_col + $active_row * $colmax ))
 }
+# @description Displays ArchTitus logo
+# @noargs
 logo () {
 # This will be shown on every set as user is progressing
 echo -ne "
@@ -141,9 +148,9 @@ echo -ne "
 ------------------------------------------------------------------------
 "
 }
-filesystem () {
-# This function will handle file systems. At this movement we are handling only
+# @description This function will handle file systems. At this movement we are handling only
 # btrfs and ext4. Others will be added in future.
+filesystem () {
 echo -ne "
 Please Select your file system for both boot and root
 "
@@ -174,6 +181,7 @@ done
 *) echo "Wrong option please select again"; filesystem;;
 esac
 }
+# @description Detects and sets timezone. 
 timezone () {
 # Added this from arch wiki https://wiki.archlinux.org/title/System_time
 time_zone="$(curl --fail https://ipapi.co/timezone)"
@@ -196,6 +204,7 @@ case ${options[$?]} in
     *) echo "Wrong option. Try again";timezone;;
 esac
 }
+# @description Set user's keyboard mapping. 
 keymap () {
 echo -ne "
 Please select key board layout from this list"
@@ -209,6 +218,7 @@ echo -ne "Your key boards layout: ${keymap} \n"
 set_option KEYMAP $keymap
 }
 
+# @description Choose whether drive is SSD or not.
 drivessd () {
 echo -ne "
 Is this an ssd? yes/no:
@@ -226,7 +236,7 @@ case ${options[$?]} in
 esac
 }
 
-# selection for disk type
+# @description Disk selection for drive to be used with installation.
 diskpart () {
 echo -ne "
 ------------------------------------------------------------------------
@@ -249,6 +259,8 @@ echo -e "\n${disk%|*} selected \n"
 
 drivessd
 }
+
+# @description Gather username and password to be used for installation. 
 userinfo () {
 read -p "Please enter your username: " username
 set_option USERNAME ${username,,} # convert to lower case as in issue #109 
@@ -270,6 +282,7 @@ read -rep "Please enter your hostname: " nameofmachine
 set_option NAME_OF_MACHINE $nameofmachine
 }
 
+# @description Choose AUR helper. 
 aurhelper () {
   # Let the user choose AUR helper from predefined list
   echo -ne "Please enter your desired AUR helper:\n"
@@ -279,6 +292,7 @@ aurhelper () {
   set_option AUR_HELPER $aur_helper
 }
 
+# @description Choose Desktop Environment
 desktopenv () {
   # Let the user choose Desktop Enviroment from predefined list
   echo -ne "Please select your desired Desktop Enviroment:\n"
@@ -288,6 +302,7 @@ desktopenv () {
   set_option DESKTOP_ENV $desktop_env
 }
 
+# @description Choose whether to do full or minimal installation. 
 installtype () {
   echo -ne "Please select type of installation:\n\n
   Full install: Installs full featured desktop enviroment, with added apps and themes needed for everyday use\n