Update README.md

Expanded download suggestion for Ubuntu Systems:
included wget, and advised on making script executable.

changed " to ' as suggested  for the example in the readme

Author: lazee486

README.md

@@ -14,6 +14,9 @@ Download the script that match your configuration
 
 Download script with this url: `https://raw.githubusercontent.com/netvolt/LinuxRMM-Script/main/rmmagent-linux.sh`
 
+For Ubuntu systems try: 'wget https://raw.githubusercontent.com/netvolt/LinuxRMM-Script/main/rmmagent-linux.sh'
+Make executable after downloading: 'sudo chmod +x rmmagent-linux.sh'  
+
 ### Fix Blank Screen for Ubuntu Workstations (Ubuntu 16+)
 Ubuntu uses the wayland display manager instead of the regular x11 server. This causes MeshCentral to show a blank screen when trying to access the remote desktop feature. You can't login, view or control the client. There is a neat fix for this, so don't worry:
 ```
@@ -69,7 +72,7 @@ The argument are:
 
 ### Example
 ```bash
-./rmmagent-linux.sh install amd64 "https://mesh.fqdn.com/meshagents?id=XXXXX&installflags=X&meshinstall=X" "https://api.fqdn.com" 3 1 "XXXXX" server
+./rmmagent-linux.sh install 'amd64' 'https://mesh.fqdn.com/meshagents?id=XXXXX&installflags=X&meshinstall=X' 'https://api.fqdn.com' 3 1 'XXXXX' server
 ```
 
 ## Update