Update README.md

Author: Bornunique911

README.md

@@ -3,7 +3,8 @@
 <strong>A next generation version of enum4linux</strong>
 </p>
 <p align="center">
-<img src="https://img.shields.io/badge/python-3.6-blue.svg"/>
+<img src="https://img.shields.io/badge/python-%3E=_3.6-blue"/>
+<img src="https://img.shields.io/badge/License-GPLv3-green.svg"/>
 </p>
 
 enum4linux-ng.py is a rewrite of Mark Lowe's (former Portcullis Labs now Cisco CX Security Labs) enum4linux.pl, a tool for enumerating information from Windows and Samba systems, aimed for security professionals and CTF players. The tool is mainly a wrapper around the Samba tools `nmblookup`, `net`, `rpcclient` and `smbclient`.
@@ -48,7 +49,7 @@ enum4linux-ng.py -As <target> -oY out
 ```
 
 ### Demo
-### Windows Server 2012 R2
+#### Windows Server 2012 R2
 This demonstrates a run against Windows Server 2012 R2 standard installation. The following command is being used:
 
 ```console
@@ -59,7 +60,7 @@ A user 'Tester' with password 'Start123!' was created. Firewall access was allow
 
 ![Demo](https://github.com/cddmp/misc/blob/master/screencasts/enum4linux-ng/demo1.gif)
 
-### Metasploitable 2
+#### Metasploitable 2
 The second demo shows a run against Metasploitable 2. The following command is being used:
 
 ```console
@@ -124,19 +125,25 @@ options:
 ## Installation
 There are multiple ways to install the tool. Either the tool comes as a package with your Linux distribution or you need to do a manual install. 
 
-### Archstrike
+### Kali Linux
+```console
+apt install enum4linux-ng 
+```
 
+### Archstrike
 ```console
 pacman -S enum4linux-ng
 ```
 
 ### NixOS
 (tested on NixOS 20.9)
-
 ```console
 nix-env -iA nixos.enum4linux-ng
 ```
-### Manual Installation
+
+## Manual Installation
+If your Linux distribution does not offer a package, the following manual installation methods can be used instead.
+
 ### Dependencies
 The tool uses the samba clients tools, namely:
 - nmblookup
@@ -158,27 +165,27 @@ Some examples for specific Linux distributions installations are listed below. A
 
 ### Linux distribution specific 
 For all distribution examples below, LibYAML is already a dependency of the corresponding PyYaml package and will be therefore installed automatically.
-### ArchLinux
+#### ArchLinux
 
 ```console
 pacman -S smbclient python-ldap3 python-yaml impacket
 ```
-### Fedora/CentOS/RHEL
+#### Fedora/CentOS/RHEL
 (tested on Fedora Workstation 31)
 
 ```console
 dnf install samba-common-tools samba-client python3-ldap3 python3-pyyaml python3-impacket
 ```
 
-### Kali Linux/Debian/Ubuntu/Linux Mint
-(tested on Kali Linux 2020.1, recent Debian (e.g. Buster) or Ubuntu versions should work, for Ubuntu 18.04 or below use the Docker or Python virtual environment variant)
+#### Debian/Ubuntu/Linux Mint
+(For Ubuntu 18.04 or below use the Docker or Python virtual environment variant)
 
 ```console
 apt install smbclient python3-ldap3 python3-yaml python3-impacket
 ```
 
 ### Linux distribution-agnostic
-### Python pip
+#### Python pip
 Depending on the Linux distribution either `pip3` or `pip` is needed:
 
 ```console
@@ -193,7 +200,7 @@ pip install -r requirements.txt
 
 Remember you need to still install the samba tools as mentioned above.
 
-### Python virtual environment
+#### Python virtual environment
 ```console
 git clone https://github.com/cddmp/enum4linux-ng
 cd enum4linux-ng
@@ -210,11 +217,11 @@ python3 enum4linux-ng.py -As <target>
 
 Remember you need to still install the samba tools as mentioned above. In addition, make sure you run ```source venv/bin/activate``` everytime you spawn a new shell. Otherwise the wrong Python interpreter with the wrong libraries will be used (your system one rather than the virtual environment one).
 
-### Docker
+#### Docker
 ```console
 git clone https://github.com/cddmp/enum4linux-ng
 cd enum4linux-ng
-docker build enum4linux-ng --tag enum4linux-ng
+docker build . --tag enum4linux-ng
 ```
 Once finished an example run could look like this:
 ```console