docs: update readme

README.md

@@ -87,9 +87,6 @@ Each command has its own examples to show how to use it. For more information, u
 
 After flashing the raspbian ISO into the SD card, you must do some stuff before you can insert it into the raspberry.
 
-<!-- TODO: can this be executed multiple times? -->
-
-By default:
 The boot command will:
 
 - Enable ssh connections, as Raspbian doesn't enable ssh connection.
@@ -107,6 +104,8 @@ $ rpi-provisioner boot --wifi-ssid MOVISTAR_34XC --wifi-pass '7074Lly/R4nD0M' --
 $ rpi-provisioner boot --wifi-ssid MOVISTAR_34XC --wifi-pass '7074Lly/R4nD0M' --hostname 'rpi-provisioner-example' E:/
 ```
 
+**Note: this command can only be executed one time - before the first boot. If you want to connect your raspberry to another interface, use the raspi-config command.**
+
 ### find
 
 This command will find your raspberry pi in your local network. It will try to connect to each host in your local network using SSH. If it is able to connect, it will print the host's IP address.