diff --git a/knowledge base/apt-file.md b/knowledge base/apt-file.md
index 48090d8..d61708b 100644
--- a/knowledge base/apt-file.md	
+++ b/knowledge base/apt-file.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 apt-file update
diff --git a/knowledge base/armbian.md b/knowledge base/armbian.md
index 067ad68..81a7bb9 100644
--- a/knowledge base/armbian.md	
+++ b/knowledge base/armbian.md	
@@ -5,11 +5,11 @@ Based on Debian.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## Further readings
 
diff --git a/knowledge base/azure/aks.md b/knowledge base/azure/aks.md
index 3490434..f4253e0 100644
--- a/knowledge base/azure/aks.md	
+++ b/knowledge base/azure/aks.md	
@@ -4,13 +4,13 @@ Managed Kubernetes solution offered by Azure.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Troubleshooting](#troubleshooting)
    1. [_Subnet XXX does not have enough capacity for YY IP addresses_ while updating the credentials for an existing Service Principal](#subnet-xxx-does-not-have-enough-capacity-for-yy-ip-addresses-while-updating-the-credentials-for-an-existing-service-principal)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## Troubleshooting
 
diff --git a/knowledge base/azure/bicep.md b/knowledge base/azure/bicep.md
index 73d6b8f..231eaa3 100644
--- a/knowledge base/azure/bicep.md	
+++ b/knowledge base/azure/bicep.md	
@@ -8,14 +8,14 @@ The Azure CLI can use a command group (`az bicep …`) to integrate with the `bi
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Utility management](#utility-management)
    1. [Installation](#installation)
    1. [Upgrade](#upgrade)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Install the `bicep` utility.
diff --git a/knowledge base/cfengine3.md b/knowledge base/cfengine3.md
index 581bd08..749ab5b 100644
--- a/knowledge base/cfengine3.md	
+++ b/knowledge base/cfengine3.md	
@@ -2,12 +2,12 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Installation](#installation)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 | Command     | Configuration            |
 | ----------- | ------------------------ |
diff --git a/knowledge base/create, mount and use an encrypted disk.md b/knowledge base/create, mount and use an encrypted disk.md
index 738beb9..ae2ce75 100644
--- a/knowledge base/create, mount and use an encrypted disk.md	
+++ b/knowledge base/create, mount and use an encrypted disk.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Encrypt the device.
diff --git a/knowledge base/cron.md b/knowledge base/cron.md
index dc883ea..c8c740b 100644
--- a/knowledge base/cron.md	
+++ b/knowledge base/cron.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 Files in `/etc/cron.hourly` and similar need to:
 
diff --git a/knowledge base/debian.md b/knowledge base/debian.md
index 5b058ba..b919f81 100644
--- a/knowledge base/debian.md	
+++ b/knowledge base/debian.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## Further readings
 
diff --git a/knowledge base/gcp/config connector.md b/knowledge base/gcp/config connector.md
index 327b9d2..e45896e 100644
--- a/knowledge base/gcp/config connector.md	
+++ b/knowledge base/gcp/config connector.md	
@@ -6,14 +6,14 @@ Provides a collection of Custom Resource Definitions and controllers.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Installation](#installation)
 1. [Resources management](#resources-management)
 1. [Gotchas](#gotchas)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # List gcp resources one can create using config connector.
diff --git a/knowledge base/gcp/gcloud.md b/knowledge base/gcp/gcloud.md
index 0adc27e..e5ca947 100644
--- a/knowledge base/gcp/gcloud.md	
+++ b/knowledge base/gcp/gcloud.md	
@@ -4,11 +4,11 @@ Intro
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # List all project the current user has access to.
diff --git a/knowledge base/gcp/gke.md b/knowledge base/gcp/gke.md
index c66164e..4b19e09 100644
--- a/knowledge base/gcp/gke.md	
+++ b/knowledge base/gcp/gke.md	
@@ -4,13 +4,13 @@ Managed Kubernetes solution offered by the Google Cloud Platform.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Gotchas](#gotchas)
 1. [SSH into GKE clusters' compute instances](#ssh-into-gke-clusters-compute-instances)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Generate 'kubeconfig' entries for gke clusters.
diff --git a/knowledge base/helios4.md b/knowledge base/helios4.md
index 7dbfb7e..68d991d 100644
--- a/knowledge base/helios4.md	
+++ b/knowledge base/helios4.md	
@@ -2,7 +2,7 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [OS installation](#os-installation)
 1. [First boot](#first-boot)
 1. [Connect to the Helios4 using a serial console](#connect-to-the-helios4-using-a-serial-console)
@@ -11,7 +11,7 @@
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## OS installation
 
diff --git a/knowledge base/knockd.md b/knowledge base/knockd.md
index 72e4b28..17b5694 100644
--- a/knowledge base/knockd.md	
+++ b/knowledge base/knockd.md	
@@ -6,12 +6,12 @@ When the server detects a specific sequence of port-hits, it runs a command defi
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Configuration](#configuration)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 Server side:
 
diff --git a/knowledge base/kubernetes/drain a node.md b/knowledge base/kubernetes/drain a node.md
index ce60ee4..459e31d 100644
--- a/knowledge base/kubernetes/drain a node.md	
+++ b/knowledge base/kubernetes/drain a node.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 1. mark the node as unschedulable (_cordon_):
 
diff --git a/knowledge base/kubernetes/k3s.md b/knowledge base/kubernetes/k3s.md
index ef50f6b..fca52b2 100644
--- a/knowledge base/kubernetes/k3s.md	
+++ b/knowledge base/kubernetes/k3s.md	
@@ -4,11 +4,11 @@ Lightweight Kubernetes distribution built for IoT and Edge computing.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## Further readings
 
diff --git a/knowledge base/linux kernel modules.md b/knowledge base/linux kernel modules.md
index e686e6b..3d2081c 100644
--- a/knowledge base/linux kernel modules.md	
+++ b/knowledge base/linux kernel modules.md	
@@ -2,12 +2,12 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Permanent modules configuration](#permanent-modules-configuration)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Show what kernel modules are currently loaded.
diff --git a/knowledge base/list image tags from ghcr.io.md b/knowledge base/list image tags from ghcr.io.md
index e4b7f60..f1f2151 100644
--- a/knowledge base/list image tags from ghcr.io.md	
+++ b/knowledge base/list image tags from ghcr.io.md	
@@ -2,10 +2,10 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 
-## TL:DR
+## TL;DR
 
 Use the `tags/list` endpoint to grab all available tags:
 
diff --git a/knowledge base/m365.md b/knowledge base/m365.md
index 2e095f9..3afd6be 100644
--- a/knowledge base/m365.md	
+++ b/knowledge base/m365.md	
@@ -4,11 +4,11 @@ CLI tool for Microsoft 365.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Installation.
diff --git a/knowledge base/mermaid-cli.md b/knowledge base/mermaid-cli.md
index 0415fbd..f1e3da1 100644
--- a/knowledge base/mermaid-cli.md	
+++ b/knowledge base/mermaid-cli.md	
@@ -4,11 +4,11 @@ CLI for mermaid. Takes a mermaid definition file as input and generates an `svg`
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Installation.
diff --git a/knowledge base/netselect-apt.md b/knowledge base/netselect-apt.md
index 29d13de..feddcf0 100644
--- a/knowledge base/netselect-apt.md	
+++ b/knowledge base/netselect-apt.md	
@@ -12,11 +12,11 @@ The output file is written to OUTFILE.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 sudo netselect-apt --arch 'amd64' --country 'de' --outfile '/tmp/sources.list'
diff --git a/knowledge base/node.js.md b/knowledge base/node.js.md
index 26e5567..4d80a66 100644
--- a/knowledge base/node.js.md	
+++ b/knowledge base/node.js.md	
@@ -4,11 +4,11 @@ Open-source, cross-platform JavaScript runtime environment.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Use a custom CA certificate.
diff --git a/knowledge base/npm.md b/knowledge base/npm.md
index ad7ccdf..059fedb 100644
--- a/knowledge base/npm.md	
+++ b/knowledge base/npm.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Disable SSL verification.
diff --git a/knowledge base/pdfunite.md b/knowledge base/pdfunite.md
index 5992b21..885005d 100644
--- a/knowledge base/pdfunite.md	
+++ b/knowledge base/pdfunite.md	
@@ -5,11 +5,11 @@ None of the files in input can be encrypted.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 sudo apt install 'poppler-utils'
diff --git a/knowledge base/raspberry pi imager.md b/knowledge base/raspberry pi imager.md
index be63c8e..ed84a3c 100644
--- a/knowledge base/raspberry pi imager.md	
+++ b/knowledge base/raspberry pi imager.md	
@@ -2,12 +2,12 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Advanced options](#advanced-options)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```ps1
 winget install RaspberryPiFoundation.RaspberryPiImager
diff --git a/knowledge base/saltstack.md b/knowledge base/saltstack.md
index b2fb437..e6a4f57 100644
--- a/knowledge base/saltstack.md	
+++ b/knowledge base/saltstack.md	
@@ -2,7 +2,7 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Key management](#key-management)
 1. [Execute commands on minions](#execute-commands-on-minions)
 1. [Targeting](#targeting)
@@ -17,7 +17,7 @@
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # View all minion connections with their status.
diff --git a/knowledge base/set the ondemand cpu governor to not rise the frequencies for niced load.md b/knowledge base/set the ondemand cpu governor to not rise the frequencies for niced load.md
index 07ef7d2..c2f3ea5 100644
--- a/knowledge base/set the ondemand cpu governor to not rise the frequencies for niced load.md	
+++ b/knowledge base/set the ondemand cpu governor to not rise the frequencies for niced load.md	
@@ -1,6 +1,6 @@
 # Set the _ondemand_ CPU governor to not rise the frequencies for niced loads
 
-## TL:DR
+## TL;DR
 
 ```sh
 sudo cpupower frequency-set --governor ondemand
diff --git a/knowledge base/template.md b/knowledge base/template.md
index bb7f037..a33ccbe 100644
--- a/knowledge base/template.md	
+++ b/knowledge base/template.md	
@@ -4,11 +4,11 @@ Intro
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ## Further readings
 
diff --git a/knowledge base/wake a host from lan.md b/knowledge base/wake a host from lan.md
index 668412c..92f166c 100644
--- a/knowledge base/wake a host from lan.md	
+++ b/knowledge base/wake a host from lan.md	
@@ -4,11 +4,11 @@ The host needs to support wake-on-LAN and have it enabled.
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 Use [`wakeonlan`][wakeonlan].
 
diff --git a/knowledge base/wakeonlan.md b/knowledge base/wakeonlan.md
index cc7135e..63cc432 100644
--- a/knowledge base/wakeonlan.md	
+++ b/knowledge base/wakeonlan.md	
@@ -2,11 +2,11 @@
 
 ## Table of contents <!-- omit in toc -->
 
-1. [TL:DR](#tldr)
+1. [TL;DR](#tldr)
 1. [Further readings](#further-readings)
 1. [Sources](#sources)
 
-## TL:DR
+## TL;DR
 
 ```sh
 # Install `wakeonlan`.