update README

README.md

@@ -1,5 +1,7 @@
 # Mon-Mon
-A monitor (service) for your monitor (display). Intercepts window behaviour when monitor configuration changes.
+A monitor (service) for your monitor (display).
+
+Listens for changes to display configuration (e.g. plugging in an additional screen) and allows you to blacklist monitors from displaying windows when they are initially connected - useful for public settings where you don't want to flood the audience with all of your open applications.
 
 ## Quick Start
 1. `cp .env.example .env`
@@ -8,6 +10,12 @@ A monitor (service) for your monitor (display). Intercepts window behaviour when
 ## Installation
 To make this app globally accessible, you can either drop the binary in your $PATH, or use `cargo`'s handy install command from the root of this project: `cargo install --path .`
 
+You will then be able to run commands from your terminal from any directory, e.g. `$ monmon watch`
+
+## Commands
+- `monmon` - the default command; shoves everything to your primary display and exits.
+- `monmon watch` - runs continually; will only move windows to the primary display if it detects a blacklisted monitor being plugged in (see [quick start](#quick-start))
+
 ## Running as Background Service
 1. First make sure you have [installed](#installation) the `monmon` binary.
 2. Determine the global installation path with `which monmon`