Replace installation instructions with link to wiki page

README.md

@@ -15,17 +15,15 @@ Sophisticated chroot/build/flash tool to develop and install [postmarketOS](http
 ## Usage Examples
 Please refer to the [postmarketOS wiki](https://wiki.postmarketos.org) for in-depth coverage of topics such as [porting to a new device](https://wiki.postmarketos.org/wiki/Porting_to_a_new_device) or [installation](https://wiki.postmarketos.org/wiki/Installation_guide). The help output (`pmbootstrap -h`) has detailed usage instructions for every command. Read on for some generic examples of what can be done with `pmbootstrap`.
 
+### Installing pmbootstrap
+<https://wiki.postmarketos.org/wiki/Installing_pmbootstrap>
+
 ### Basics
 Initial setup:
 ```
-$ git clone https://gitlab.com/postmarketOS/pmbootstrap.git
-$ cd pmbootstrap
-$ alias pmbootstrap=$PWD/pmbootstrap.py
 $ pmbootstrap init
 ```
 
-To make the `pmbootstrap` alias persistent, [see the wiki](https://wiki.postmarketos.org/wiki/Porting_to_a_new_device#Shortcut).
-
 Run this in a second window to see all shell commands that get executed:
 ```
 $ pmbootstrap log