Update 'README.md'

README.md

@@ -1,6 +1,7 @@
 # Setup
 ## OS
 ### [Raspberry Pi OS Lite](https://www.raspberrypi.com/software/operating-systems/)
+- flash the OS ([etcher](https://www.balena.io/etcher/))
 - HeadLess setup
     - Enable ssh  
     Create an empty file named ssh on 'boot' partition
@@ -15,5 +16,5 @@
                 ssid="NETWORK-NAME"  
                 psk="NETWORK-PASSWORD"  
             }  
-
-    - Check IP on DHCP Server
+    - Connect the PI and wait 1 minute or 2 to boot   
+    - Check the IP on DHCP Server