diff --git a/Makefile b/Makefile
index 2951f5b..114a0f3 100644
--- a/Makefile
+++ b/Makefile
@@ -71,7 +71,7 @@ article: ## Write an article
 	filename="$$(echo "$$title" | tr '[:upper:]' '[:lower:]' | tr ' ' '_')" ;\
 	printf '%s\n' '---' >> $$path/$$filename.md ;\
 	printf 'title: "%s"\n' "$$title" >> $$path/$$filename.md ;\
-	printf 'tags: [ "%s" ]\n' "$$path" | sed 's#\/#", "#g' >> $$path/$$filename.md ;\
+	printf 'tags: [ "%s" ]\n' "$$path" | tr '[:upper:]' '[:lower:]' | sed 's#\/#", "#g' >> $$path/$$filename.md ;\
 	printf '%s\n\n' '---' >> $$path/$$filename.md ;\
 	$(EDITOR) +5 "$$path/$$filename.md"
 
diff --git a/basics/at.md b/basics/at.md
index 7584ba7..a7a466a 100644
--- a/basics/at.md
+++ b/basics/at.md
@@ -1,6 +1,6 @@
 ---
 title: "at"
-tags: [ "Basics", "time" ]
+tags: [ "basics", "time" ]
 ---
 Install with:
 
diff --git a/basics/basics.md b/basics/basics.md
index 57e9080..7ac342c 100644
--- a/basics/basics.md
+++ b/basics/basics.md
@@ -1,6 +1,6 @@
 ---
 title: "Basics"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 
 You need about a dozen commands to move around Linux.
diff --git a/basics/clock.md b/basics/clock.md
index c116310..50ac171 100644
--- a/basics/clock.md
+++ b/basics/clock.md
@@ -1,6 +1,6 @@
 ---
 title: "clock"
-tags: [ "Basics", "time" ]
+tags: [ "basics", "time" ]
 ---
 
 Show system time:
diff --git a/basics/conditionals.md b/basics/conditionals.md
index a251456..2880151 100644
--- a/basics/conditionals.md
+++ b/basics/conditionals.md
@@ -1,6 +1,6 @@
 ---
 title: "conditionals"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 # If statements
 
diff --git a/basics/cron.md b/basics/cron.md
index 439b07a..27c7868 100644
--- a/basics/cron.md
+++ b/basics/cron.md
@@ -1,6 +1,6 @@
 ---
 title: "cron"
-tags: [ "Basics", "time" ]
+tags: [ "basics", "time" ]
 ---
 # Cronie
 
diff --git a/basics/games.md b/basics/games.md
index a5ac35a..f5a49b9 100644
--- a/basics/games.md
+++ b/basics/games.md
@@ -1,6 +1,6 @@
 ---
 title: "bash games"
-tags: [ "Games" ]
+tags: [ "games" ]
 ---
 
 Games are a great way to learn bash.
diff --git a/basics/kill.md b/basics/kill.md
index 49d834a..190f357 100644
--- a/basics/kill.md
+++ b/basics/kill.md
@@ -1,6 +1,6 @@
 ---
 title: "kill"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 
 If you want to kill a program in a graphical environment, open a terminal and type:
diff --git a/basics/locale.md b/basics/locale.md
index fce6e33..69f9b7a 100644
--- a/basics/locale.md
+++ b/basics/locale.md
@@ -1,6 +1,6 @@
 ---
 title: "locale"
-tags: [ "Basics", "time" ]
+tags: [ "basics", "time" ]
 ---
 
 Your locale tells the computer your location, preferred time-and-date format, standard language, papersize, et c.
diff --git a/basics/locating.md b/basics/locating.md
index 644f3ae..87c6464 100644
--- a/basics/locating.md
+++ b/basics/locating.md
@@ -1,6 +1,6 @@
 ---
 title: "locating"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 # Type
 
diff --git a/basics/processes.md b/basics/processes.md
index 393515d..f089d09 100644
--- a/basics/processes.md
+++ b/basics/processes.md
@@ -1,6 +1,6 @@
 ---
 title: "processes"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 # Proccesses
 
diff --git a/basics/time.md b/basics/time.md
index aec7a88..ddaa121 100644
--- a/basics/time.md
+++ b/basics/time.md
@@ -1,6 +1,6 @@
 ---
 title: "time"
-tags: [ "Basics", "time" ]
+tags: [ "basics", "time" ]
 ---
 # systemd
 
diff --git a/basics/users.md b/basics/users.md
index f45ab45..e8777d8 100644
--- a/basics/users.md
+++ b/basics/users.md
@@ -1,6 +1,6 @@
 ---
 title: "users"
-tags: [ "Basics" ]
+tags: [ "basics" ]
 ---
 # Basic Information
 
diff --git a/chat/profanity.md b/chat/profanity.md
index 1c2554a..9a30983 100644
--- a/chat/profanity.md
+++ b/chat/profanity.md
@@ -1,6 +1,6 @@
 ---
 title: "profanity"
-tags: [ "Chat", "omemo" ]
+tags: [ "chat", "omemo" ]
 ---
 # Setup (Commands)
 
diff --git a/chat/wgetpaste.md b/chat/wgetpaste.md
index 27c800c..f9b0c3d 100644
--- a/chat/wgetpaste.md
+++ b/chat/wgetpaste.md
@@ -1,6 +1,6 @@
 ---
 title: "wgetpaste"
-tags: [ "Chat" ]
+tags: [ "chat" ]
 ---
 
 See available pastebins:
diff --git a/data/backups/unison.md b/data/backups/unison.md
index 3108a45..480dd46 100644
--- a/data/backups/unison.md
+++ b/data/backups/unison.md
@@ -1,6 +1,6 @@
 ---
 title: "unison"
-tags: [ "Backups", "synch" ]
+tags: [ "backups", "synch" ]
 ---
 
 Install unison on both machines, and make sure both have the same version of unison, with the same version of the ocaml compiler (the smallest difference will cause problems).
diff --git a/data/khard.md b/data/khard.md
index d113fa5..a68eceb 100644
--- a/data/khard.md
+++ b/data/khard.md
@@ -1,6 +1,6 @@
 ---
 title: "khard"
-tags: [ "Data" ]
+tags: [ "data" ]
 ---
 Get the basic config:
 
diff --git a/data/pdf_erasure.md b/data/pdf_erasure.md
index af97986..4baafd0 100644
--- a/data/pdf_erasure.md
+++ b/data/pdf_erasure.md
@@ -1,6 +1,6 @@
 ---
 title: "PDF Metadata Erasure"
-tags: [ "Metadata", "Ghost Script", "gs", ".pdf" ]
+tags: [ "metadata", "ghost script", "gs", ".pdf" ]
 ---
 
 You cannot erase pdf metadata with `exiftool` (it only *appends* your changes).
diff --git a/data/taskwarrior/task.md b/data/taskwarrior/task.md
index 5ab0ea8..b1ee2c1 100644
--- a/data/taskwarrior/task.md
+++ b/data/taskwarrior/task.md
@@ -1,6 +1,6 @@
 ---
 title: "task"
-tags: [ "Organization" ]
+tags: [ "organization" ]
 ---
 
 Set up the configuration file:
diff --git a/data/taskwarrior/timew.md b/data/taskwarrior/timew.md
index 6ffa06f..0ac1081 100644
--- a/data/taskwarrior/timew.md
+++ b/data/taskwarrior/timew.md
@@ -1,6 +1,6 @@
 ---
 title: "timewarrior"
-tags: [ "Data", "tracking", "time", "timew" ]
+tags: [ "data", "tracking", "time", "timew" ]
 ---
 # Summaries
 
diff --git a/distros/arch/autologin.md b/distros/arch/autologin.md
index c2fab61..ce74af5 100644
--- a/distros/arch/autologin.md
+++ b/distros/arch/autologin.md
@@ -1,6 +1,6 @@
 ---
 title: "autologin"
-tags: [ "Distros", "Arch" ]
+tags: [ "distros", "arch" ]
 ---
 
 # Automatic Login
diff --git a/distros/void/aeroplanes.md b/distros/void/aeroplanes.md
index 472a81a..1cf414a 100644
--- a/distros/void/aeroplanes.md
+++ b/distros/void/aeroplanes.md
@@ -1,6 +1,6 @@
 ---
 title: "Aeroplane Mode in Void"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 Put your device in 'aeroplane' mode (e.g. where no trace of signal leaves it) by turning off Wi-Fi and blue-tooth.
 
@@ -9,7 +9,7 @@ su root
 sv stop wpa_supplicant bluetoothd
 ```
 
-Find your device's name with `ip a`.
+Find your device's name with `ip -color addr`.
 If unsure, try this:
 
 ```sh
diff --git a/distros/void/autologin.md b/distros/void/autologin.md
index c2a3b52..5a6d5f8 100644
--- a/distros/void/autologin.md
+++ b/distros/void/autologin.md
@@ -1,6 +1,6 @@
 ---
 title: "Void Autologin"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 
 Make the autologin service:
diff --git a/distros/void/extrace.md b/distros/void/extrace.md
index 72da239..12d1e4f 100644
--- a/distros/void/extrace.md
+++ b/distros/void/extrace.md
@@ -1,6 +1,6 @@
 ---
 title: "extrace"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 Monitor all processes:
 
diff --git a/distros/void/sv.md b/distros/void/sv.md
index c8ae1bb..95903de 100644
--- a/distros/void/sv.md
+++ b/distros/void/sv.md
@@ -1,6 +1,6 @@
 ---
 title: "sv"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 # List Services
 
diff --git a/distros/void/void_basics.md b/distros/void/void_basics.md
index c7194a2..91ec92a 100644
--- a/distros/void/void_basics.md
+++ b/distros/void/void_basics.md
@@ -1,6 +1,6 @@
 ---
 title: "Void Linux Basics"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 # Updates
 
diff --git a/distros/void/xbps.md b/distros/void/xbps.md
index 77fbb41..ab7f83a 100644
--- a/distros/void/xbps.md
+++ b/distros/void/xbps.md
@@ -1,6 +1,6 @@
 ---
 title: "xbps"
-tags: [ "Void" ]
+tags: [ "void" ]
 ---
 ## Search
 
diff --git a/networking/fail2ban.md b/networking/fail2ban.md
index c7866d1..5112855 100644
--- a/networking/fail2ban.md
+++ b/networking/fail2ban.md
@@ -1,6 +1,6 @@
 ---
 title: "fail2ban"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 requires: [ "ssh" ]
 ---
 # SSH Daemon Jail
diff --git a/networking/graph-easy.md b/networking/graph-easy.md
index 8aab816..ab83833 100644
--- a/networking/graph-easy.md
+++ b/networking/graph-easy.md
@@ -1,6 +1,6 @@
 ---
 title: "Easy Network Graph"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 Set up a file like this, called `troubleshooting.txt`.
 
diff --git a/networking/iptables.md b/networking/iptables.md
index 302a0fe..2477829 100644
--- a/networking/iptables.md
+++ b/networking/iptables.md
@@ -1,6 +1,6 @@
 ---
 title: "iptables"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 # Intro
 
diff --git a/networking/nmap.md b/networking/nmap.md
index 98927f1..118a2ef 100644
--- a/networking/nmap.md
+++ b/networking/nmap.md
@@ -1,6 +1,6 @@
 ---
 title: "nmap"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 
 Example:
diff --git a/networking/pi-hole-server.md b/networking/pi-hole-server.md
index 0044d28..19d4370 100644
--- a/networking/pi-hole-server.md
+++ b/networking/pi-hole-server.md
@@ -1,6 +1,6 @@
 ---
 title: "pi-hole-server"
-tags: [ "Distros" ]
+tags: [ "distros" ]
 ---
 # Installation
 
diff --git a/networking/rclone.md b/networking/rclone.md
index ad90260..7746efe 100644
--- a/networking/rclone.md
+++ b/networking/rclone.md
@@ -1,6 +1,6 @@
 ---
 title: "rclone"
-tags: [ "Networking" ]
+tags: [ "networking", "synch" ]
 ---
 The manpage's 'Synopsis' provides a fast reference.
 ```
diff --git a/networking/scraping/youtube-dl.md b/networking/scraping/youtube-dl.md
index c42d2e5..88d9f7c 100644
--- a/networking/scraping/youtube-dl.md
+++ b/networking/scraping/youtube-dl.md
@@ -1,6 +1,6 @@
 ---
 title: "Download videos"
-tags: [ "Scraping" ]
+tags: [ "scraping" ]
 ---
 Install `yt-dlp`.
 
diff --git a/networking/servers/agate.md b/networking/servers/agate.md
index a082584..36615c8 100644
--- a/networking/servers/agate.md
+++ b/networking/servers/agate.md
@@ -1,6 +1,6 @@
 ---
 title: "Agate on Arch Linux"
-tags: [ "Networking", "Arch", "Gemini" ]
+tags: [ "networking", "arch", "gemini" ]
 ---
 
 Docs are [here](https://github.com/mbrubeck/agate).
diff --git a/networking/ssh.md b/networking/ssh.md
index ffb3f17..8b97ff8 100644
--- a/networking/ssh.md
+++ b/networking/ssh.md
@@ -7,7 +7,7 @@ tags: [ "networking" ]
 Try out basic ssh by accessing `git.charm.sh`, without needing authentication:
 
 
-```bash
+```sh
 ssh git.charm.sh
 ```
 
@@ -16,32 +16,32 @@ The ssh server is sometimes in a package called `openssh`, and sometimes only in
 
 Once it's installed, check it's working:
 
-```bash
+```sh
 sudo systemctl status ssh
 ```
 
 If that doesn't work, the service may be called `sshd`.
 
-```bash
+```sh
 sudo systemctl status sshd
 ```
 
 Then start that service:
 
-```bash
+```sh
 sudo systemctl start sshd
 ```
 Test it works by using ssh into your own system, from inside:
 
 
-```bash
+```sh
 ssh $USER@localhost
 ```
 
 Access the computer from another computer on the same local network by finding your computer's IP address.
 
 
-```bash
+```sh
 ip address | grep inet
 ```
 
@@ -56,24 +56,24 @@ Here is mine:
 
 
 The first one starts `127`, which means it returns back to that computer (like `localhost`).
-The second is an ipv6 address, which is too angelic for this world, and has yet to ascend.
+The second is an ipv6 address, which is too angelic for this world, and has yet to descend.
 The third will work from a remote computer.
 
 
-```bash
+```sh
 ssh $USERNAME@IP_ADDRESS
 ```
 
 Once you have that, generate some ssh keys:
 
-```bash
+```sh
 ssh-keygen
 ```
 
 Look at your keys:
 
 
-```bash
+```sh
 ls ~/.ssh
 ```
 
@@ -82,7 +82,7 @@ The other is secret.
 
 Now send those keys to a remote computer:
 
-```bash
+```sh
 ssh-copy-id $USERNAME@IP_ADDRESS
 ```
 
diff --git a/networking/ssh/sshfs.md b/networking/ssh/sshfs.md
index e6cc426..8b3f07f 100644
--- a/networking/ssh/sshfs.md
+++ b/networking/ssh/sshfs.md
@@ -1,6 +1,6 @@
 ---
 title: "sshfs"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 requires: [ "ssh" ]
 ---
 # Mount 
diff --git a/networking/ssh/tricks.md b/networking/ssh/tricks.md
index d2f148f..9e21b4f 100644
--- a/networking/ssh/tricks.md
+++ b/networking/ssh/tricks.md
@@ -1,6 +1,6 @@
 ---
 title: "ssh-tricks"
-tags: [ "Networking", "ssh", "tricks" ]
+tags: [ "networking", "ssh", "tricks" ]
 requires: [ "ssh" ]
 ---
 
diff --git a/networking/tor.md b/networking/tor.md
index ac71971..e04a2bb 100644
--- a/networking/tor.md
+++ b/networking/tor.md
@@ -1,9 +1,9 @@
 ---
 title: "tor"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 
-# Get a hostname
+# Get a Hostname
 
 ```bash
 sudo vim /etc/tor/torrc
diff --git a/networking/transmission.md b/networking/transmission.md
index db3563f..ece27dd 100644
--- a/networking/transmission.md
+++ b/networking/transmission.md
@@ -1,6 +1,6 @@
 ---
 title: "transmission"
-tags: [ "Networking", "Torrenting" ]
+tags: [ "networking", "torrenting" ]
 ---
 # Torrench
 
diff --git a/networking/troubleshooting.md b/networking/troubleshooting.md
index 6a6bb92..474e4ab 100644
--- a/networking/troubleshooting.md
+++ b/networking/troubleshooting.md
@@ -1,11 +1,11 @@
 ---
 title: "troubleshooting"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 
 # Do you have an IP?
 
-If not, try checking out what your local Networking interfaces are, then check if they have been picked up:
+If not, try checking out what your local networking interfaces are, then check if they have been picked up:
 
 ```bash
 dmesg | grep eth0
diff --git a/networking/website/nginx.md b/networking/website/nginx.md
index 7c144e6..f4e28d2 100644
--- a/networking/website/nginx.md
+++ b/networking/website/nginx.md
@@ -1,6 +1,6 @@
 ---
 title: "nginx"
-tags: [ "Networking" ]
+tags: [ "networking", "web" ]
 ---
 Install nginx:
 
diff --git a/networking/wifi.md b/networking/wifi.md
index 5cf28cd..fb06bf6 100644
--- a/networking/wifi.md
+++ b/networking/wifi.md
@@ -1,6 +1,6 @@
 ---
 title: "network"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 
 # Netstat Stuff
diff --git a/networking/wpa_supplicant.md b/networking/wpa_supplicant.md
index 8aa2681..2c54282 100644
--- a/networking/wpa_supplicant.md
+++ b/networking/wpa_supplicant.md
@@ -1,6 +1,6 @@
 ---
 title: "wpa_supplicant"
-tags: [ "Networking" ]
+tags: [ "networking" ]
 ---
 
 `wpa_supplicant` configurations are stored in `/etc/wpa_supplicant/wpa_supplicant-wlan0` (or equivalent).
diff --git a/sound/basics.md b/sound/basics.md
index af4d2c0..b15a893 100644
--- a/sound/basics.md
+++ b/sound/basics.md
@@ -1,6 +1,6 @@
 ---
 title: "Basic Sound"
-tags: [ "Sound" ]
+tags: [ "sound" ]
 ---
 # Pulse
 
diff --git a/sound/festival.md b/sound/festival.md
index 9adade8..e70fbec 100644
--- a/sound/festival.md
+++ b/sound/festival.md
@@ -1,6 +1,6 @@
 ---
 title: "festival"
-tags: [ "Sound" ]
+tags: [ "sound" ]
 ---
 # Basics
 
diff --git a/sound/mpd.md b/sound/mpd.md
index c6a4e2c..dd4b707 100644
--- a/sound/mpd.md
+++ b/sound/mpd.md
@@ -1,6 +1,6 @@
 ---
 title: "mpd"
-tags: [ "Sound" ]
+tags: [ "sound" ]
 ---
 # Setup
 
diff --git a/sound/ncmpcpp.md b/sound/ncmpcpp.md
index 881bde0..0ea29fe 100644
--- a/sound/ncmpcpp.md
+++ b/sound/ncmpcpp.md
@@ -1,6 +1,6 @@
 ---
 title: "ncmpcpp"
-tags: [ "Sound" ]
+tags: [ "sound" ]
 ---
 
 # Music Player Daemon
diff --git a/system/Makefiles/help.md b/system/Makefiles/help.md
index c3e4c62..2c2829a 100644
--- a/system/Makefiles/help.md
+++ b/system/Makefiles/help.md
@@ -7,11 +7,13 @@ Make your first target 'help' to give an overview of the main targets.
 Running `make help` will search for text which starts with `## ` and show what that target does.
 
 ```make
+.PHONY: help
 help: ## Print the help message
 	@awk 'BEGIN {FS = ":.*?## "} /^[0-9a-zA-Z._-]+:.*?## / {printf "\033[36m%s\033[0m : %s\n", $$1, $$2}' $(MAKEFILE_LIST) | \
 		sort | \
 		column -s ':' -t
 
+.PHONY: clean
 clean: ## Remove generated files
 	$(RM) $(defaults)
 ```
diff --git a/system/android.md b/system/android.md
index 99248c5..bff4a73 100644
--- a/system/android.md
+++ b/system/android.md
@@ -1,6 +1,6 @@
 ---
 title: "android"
-tags: [ "System", "phone" ]
+tags: [ "system", "phone" ]
 ---
 # mtpfs
 
diff --git a/system/awk.md b/system/awk.md
index da50197..af538d8 100644
--- a/system/awk.md
+++ b/system/awk.md
@@ -1,6 +1,6 @@
 ---
 title: "awk"
-tags: [ "System", ".csv" ]
+tags: [ "system", ".csv" ]
 ---
 # Basics
 
diff --git a/system/bash_tricks.md b/system/bash_tricks.md
index 7fa4297..eb67195 100644
--- a/system/bash_tricks.md
+++ b/system/bash_tricks.md
@@ -1,6 +1,6 @@
 ---
 title: "bash tips"
-tags: [ "Shell", "POSIX" ]
+tags: [ "shell", "POSIX" ]
 ---
 ## Track Live Changes
 
diff --git a/system/character-encoding.md b/system/character-encoding.md
index ad79380..686dd83 100644
--- a/system/character-encoding.md
+++ b/system/character-encoding.md
@@ -1,6 +1,6 @@
 ---
 title: "character-encoding"
-tags: [ "System", "encoding" ]
+tags: [ "system", "encoding" ]
 ---
 
 Convert a text file from one encoding type to another with:
diff --git a/system/default_programs.md b/system/default_programs.md
index 3a205bf..a59164e 100644
--- a/system/default_programs.md
+++ b/system/default_programs.md
@@ -1,6 +1,6 @@
 ---
 title: "Default Programs"
-tags: [ "Defaults", "Mime Type" ]
+tags: [ "defaults", "mime type" ]
 ---
 
 Install the package `xdg-utils`, then make very liberal use of the tab button.
diff --git a/system/lf.md b/system/lf.md
index b617451..24c5629 100644
--- a/system/lf.md
+++ b/system/lf.md
@@ -1,6 +1,6 @@
 ---
 title: "lf - The Light File Manager"
-tags: [ "File Browser", "TUI" ]
+tags: [ "file browser", "TUI" ]
 ---
 
 ![lf](/tapes/lf.gif)
diff --git a/system/logs.md b/system/logs.md
index fa4aa4f..922d5a8 100644
--- a/system/logs.md
+++ b/system/logs.md
@@ -1,6 +1,6 @@
 ---
 title: "logs"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
 
 # Basic
diff --git a/system/monitoring.md b/system/monitoring.md
index 984e6ab..d81d68a 100644
--- a/system/monitoring.md
+++ b/system/monitoring.md
@@ -1,6 +1,6 @@
 ---
 title: "Monitoring"
-tags: [ "System", "CPU", "Memory" ]
+tags: [ "system", "CPU", "memory" ]
 ---
 
 Print the average CPU load over 1 minute, 5 minutes, and 15 minutes:
diff --git a/system/partitions.md b/system/partitions.md
index d12193c..8993a3c 100644
--- a/system/partitions.md
+++ b/system/partitions.md
@@ -1,6 +1,6 @@
 ---
 title: "partitions"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
 
 # FDisk Basics
diff --git a/system/snaps.md b/system/snaps.md
index c142a2c..7a9c77e 100644
--- a/system/snaps.md
+++ b/system/snaps.md
@@ -1,6 +1,6 @@
 ---
 title: "snaps"
-tags: [ "System", "Ubuntu", "snap" ]
+tags: [ "system", "Ubuntu", "snap" ]
 ---
 > sudo apt-get purge -y snapd
 
diff --git a/virtualization/docker.md b/virtualization/docker.md
index 2e2acca..5997c69 100644
--- a/virtualization/docker.md
+++ b/virtualization/docker.md
@@ -1,6 +1,6 @@
 ---
 title: "Docker"
-tags: [ "documentation", "Virtualization" ]
+tags: [ "documentation", "virtualization" ]
 ---
 ```sh
 sudo pacman -S docker
diff --git a/virtualization/virtualbox.md b/virtualization/virtualbox.md
index 01b0daf..e93bada 100644
--- a/virtualization/virtualbox.md
+++ b/virtualization/virtualbox.md
@@ -1,6 +1,6 @@
 ---
 title: "virtualbox"
-tags: [ "System" ]
+tags: [ "system" ]
 ---
 # Setup
 
diff --git a/vision/ffmpeg.md b/vision/ffmpeg.md
index aee14c8..4b90f47 100644
--- a/vision/ffmpeg.md
+++ b/vision/ffmpeg.md
@@ -1,6 +1,6 @@
 ---
 title: "ffmpeg"
-tags: [ "Sound", "Vision" ]
+tags: [ "sound", "vision" ]
 ---
 # Basics 
 
diff --git a/vision/imagemagick.md b/vision/imagemagick.md
index 934b83d..9362343 100644
--- a/vision/imagemagick.md
+++ b/vision/imagemagick.md
@@ -1,6 +1,6 @@
 ---
 title: "imagemagick"
-tags: [ "Vision" ]
+tags: [ "vision" ]
 ---
 
 Convert jpg to png.
diff --git a/vision/lowdown.md b/vision/lowdown.md
index 0e5e854..4aeca24 100644
--- a/vision/lowdown.md
+++ b/vision/lowdown.md
@@ -1,6 +1,6 @@
 ---
 title: "Markdown to PDF"
-tags: [ "Markdown", "PDF", "Vision" ]
+tags: [ "markdown", ".pdf", "vision" ]
 ---
 
 Turn a markdown file into a pdf: