Updated Installation (markdown)

Installation.md

@@ -29,7 +29,7 @@ Update to the latest version of Mono [from the project's own site](https://www.m
 
 If you are on Ubuntu 16.04 or earlier, you should also update your mediainfo to the latest using [the official releases](https://mediaarea.net/en/MediaInfo/Download/Ubuntu).
 
-Now proceed to [Manually Install Radarr](/Radarr/Radarr/wiki/Installation#manually-install-radarr) or use [Install on Debian 8 and Ubuntu 16.04](http://www.htpcguides.com/install-radarr-on-debian-8-jessie/).
+Now proceed to [Manually Install Radarr](/Radarr/Radarr/wiki/Installation#manually-install-radarr).
 
 ### Fedora / CentOS ###