docs: Update readme

Author: robmllze

README.md

@@ -18,7 +18,7 @@ A tool to generate ready-made screen templates for your Flutter app (uses df_gen
 1. You do not need to add this package to your pubspec.yaml file.
 2. Activate the tool by running: `dart pub global activate df_generate_screen` or `dart pub global activate --source git https://github.com/robmllze/df_generate_screen.git`.
 3. Navigate to a folder in your project using the terminal (Tip: If you're using VS Code, you can right-click on a folder and select `"Open in Integrated Terminal"`).
-4. Run `screen . -n ExampleScreen` to generate a screen template called `ExampleScreen` at the current directory.
+4. Run `genscr . -n ExampleScreen` to generate a screen template called `ExampleScreen` at the current directory.
 
 ---