no need for wget

Installation.md

@@ -37,7 +37,7 @@ Now proceed to [Manually Install Radarr](/Radarr/Radarr/wiki/Installation#manual
 Download and extract the latest [release](https://github.com/Radarr/Radarr/releases) from github, changing the url below to match.
 
     cd /opt
-    wget $( curl -s https://api.github.com/repos/Radarr/Radarr/releases | grep linux.tar.gz | grep browser_download_url | head -1 | cut -d \" -f 4 )
+    curl -L -O $( curl -s https://api.github.com/repos/Radarr/Radarr/releases | grep linux.tar.gz | grep browser_download_url | head -1 | cut -d \" -f 4 )
     tar -xvzf Radarr.develop.*.linux.tar.gz
 
 To run Radarr on startup, follow [this Wiki article](https://github.com/Radarr/Radarr/wiki/Autostart-on-Linux) relevent to your Distro.