updated the usage

README.md

@@ -4,7 +4,7 @@ wifi-password
 <p align="center">
 Quickly fetch your WiFi password and if needed, generate a QR code of your WiFi to allow phones to easily connect.
 <br>
-Works on <b>macOS</b> and <b>Linux</b> and <b>Windows</b>
+Works on <b>macOS</b> and <b>Linux</b>, <b>Windows</b>
 <img src="images/demo.gif" align="center">
 </p>
 
@@ -29,13 +29,14 @@ $ sudo pamac build wifi-password
 
 ## Usage
 ```console
-$ wifi-password
+$ wifi-password --help
 usage: wifi_password [options]
 
 optional arguments:
   -h, --help            show this help message and exit
-  --qrcode, -q          Generate a QR code
-  --image, -i           Create the QR code as image instead of showing it on the terminal (must be useed along with --qrcode)
+  --show-qr, -show      Show a ASCII QR code onto the terminal/console
+  --save-qr [PATH], -save [PATH]
+                        Create the QR code and save it as an image
   --ssid SSID, -s SSID  Specify a SSID that you have previously connected to
   --version             Show version number
 ```