diff --git a/README.md b/README.md
index b23f807..761129d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,26 @@
-# scripts
+# Scripts
+
+- [Configure SSH connection helper (remote pc not server)](#configure-ssh-connection-helper-remote-pc-not-server)
+- [Docker commands](#docker-commands)
+- [Remove every user R packages](#remove-every-user-r-packages)
+- [Setup Git SSH key](#setup-git-ssh-key)
+- [Font ligature test](#font-ligature-test)
+- [QEMU cheat sheet](#qemu-cheat-sheet)
+- [Share internet between two Linux interfaces using connman](#share-internet-between-two-linux-interfaces-using-connman)
+  - [IP Host (eth1 has internet, eth0 is remote)](#ip-host-eth1-has-internet-eth0-is-remote)
+  - [IP Remote](#ip-remote)
+- [Remove DRM from Adobe Digital Editions](#remove-drm-from-adobe-digital-editions)
+  - [Prerequisites](#prerequisites)
+  - [Setting up Calibre](#setting-up-calibre)
+  - [Getting the DRM-free PDF](#getting-the-drm-free-pdf)
+- [Loop devices](#loop-devices)
+- [Install img.xz](#install-imgxz)
+- [Raise Linux open files limits](#raise-linux-open-files-limits)
+- [Verify a PGP Signature](#verify-a-pgp-signature)
+  - [Self-signed OpenSSL](#self-signed-openssl)
+    - [interactive](#interactive)
+    - [non-interactive and 10 years expiration](#non-interactive-and-10-years-expiration)
+- [Bind to port 80 or 443](#bind-to-port-80-or-443)
 
 ## Configure SSH connection helper (remote pc not server)
 
@@ -82,7 +104,7 @@ qemu-system-x86_64 $DISK_NAME.img \
 	-name $VM_NAME &
 ```
 
-## Share internet between two linux interfaces using connman
+## Share internet between two Linux interfaces using connman
 
 ### IP Host (eth1 has internet, eth0 is remote)
 
@@ -115,7 +137,7 @@ config <eth0> --ipv4 manual 192.168.137.2 255.255.255.0 192.168.137.1 --nameserv
 
 ### Prerequisites
 
-In Windows you must have _Adobe Digital Editions_ and _Calibre_ using Chocolatey
+On Windows, you must have _Adobe Digital Editions_ and _Calibre_ using Chocolatey
 
 ```sh
 choco install -y adobedigitaleditions calibre
@@ -125,11 +147,11 @@ choco install -y adobedigitaleditions calibre
 
 - Download the DeDRM plugin on [GitHub](https://github.com/noDRM/DeDRM_tools).
 - Extract the plugin archive
-- Install the plugin in Calibre -> Preferences -> Plugins -> Add from file
+- Install the plugin in Calibre → Preferences → Plugins → Add from file
 
-### Getting the DRM-free pdf
+### Getting the DRM-free PDF
 
-- Open the pdf using _Adobe Digital Editions_
+- Open the PDF using _Adobe Digital Editions_
 - Navigate to C:/Users/\<USER\>/My\ Digital\ Editions
 - Add the PDF to calibre
 - The DRM free PDF is available at C:/Users/\<USER\>/Calibre\ Library
@@ -157,7 +179,7 @@ rm $BLOCK_PATH
 xzcat $IMG_FILE | dd of=/dev/$DEVICE bs=64k oflag=dsync status=progress
 ```
 
-## Raise linux open files limits
+## Raise Linux open files limits
 
 In the file /etc/security/limits.conf add this :
 
@@ -193,4 +215,5 @@ openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -sha256 -days 3
 ## Bind to port 80 or 443
 
 [Is there a way for non-root processes to bind to "privileged" ports on Linux?](https://stackoverflow.com/questions/413807/is-there-a-way-for-non-root-processes-to-bind-to-privileged-ports-on-linux)
+
 [Allow non-root process to bind to port 80 and 443?](https://superuser.com/questions/710253/allow-non-root-process-to-bind-to-port-80-and-443)