Added instructions

README.md

@@ -3,10 +3,12 @@
 This repository contains scripts and documentation for configuring the VIPS backend systems (VIPSLogic, VIPSCoreManager and VIPSCore) on a single Linux server.
 
 ## Requirements
-- Ubuntu Linux 18.04 LTS
+- A clean installation of Ubuntu Linux 18.04 LTS
 
 ## Instructions
 
+You need to clone (download) the entire repository to the server on which you want to install VIPS.
+
 In order to clone this repository, issue this command:
 
 `git clone https://gitlab.nibio.no/vips-setup/vips-backend-single-server.git`