README.md in envied-0.7.1 vs README.md in envied-0.7.2

@@ -182,12 +182,14 @@
 ## Command-line interface
 
 ```bash
 $ envied help
 Commands:
+  envied --version             # Shows version number
   envied check                 # Checks whether you environment contains the defined variables
   envied check:heroku          # Checks whether a Heroku config contains the defined variables
   envied check:heroku:binstub  # Generates a shell script for the check:heroku-task
+  envied extract               # Shows candidate variables (i.e. occurences of ENV['X'])
   envied help [COMMAND]        # Describe available commands or one specific command
   envied init                  # Generates a default Envfile in the current working directory
   envied init:rails            # Generate all files needed for a Rails project
 ```