docs: 📝 update README.

Author: Adam Simpson

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "oscar"
-version = "0.1.19"
+version = "0.1.20"
 authors = ["Adam Simpson <adam@heysparkbox.com>"]
 edition = "2018"
 description = "A CLI application to download videos from PBS. Ideally run in cron or another scheduler."

Cargo.toml

@@ -1,26 +1,41 @@
 # Oscar
 [![Build Status](https://travis-ci.org/asimpson/oscar.svg?branch=master)](https://travis-ci.org/asimpson/oscar)
 
-A CLI application to download Sesame Street videos from PBS. Ideally run in cron or another scheduler.
+A CLI application to download full TV episodes from PBS. Ideally run in `cron` or another scheduler.
 
 ## Example
 `@hourly oscar -so /mnt/nas/videos/`
 
+## Installation
+
+### Pre-built binaries
+Pre-built binaries are available via [Github releases](https://github.com/asimpson/oscar/releases) (which are built by [TravisCI](https://travis-ci.org/asimpson/oscar)).
+
+### Cargo
+`cargo install oscar`
+
+### From source
+Requires Rust and Cargo to be installed on the host system.
+
+To build: `cargo build --release`
+
+## Subcommands
+`list`: View available shows in "slug" format, e.g. `sesame-street`.
+
+FYI `oscar` defaults to downloading Sesame Street episodes.
+
 ## Options
 `-d --dry-run`: run without actually downloading any files.
 
 `-s --silent`: Do not log anything.
 
-`-o --output`: Where to save movies, defaults to `/tmp/`.
+`-o --output`: Where to save episodes, defaults to `/tmp/`.
 
 `-S --show-slug`: What show to download. Get the slug by running `oscar list`.
 
-## Subcommands
-`list`: View available shows in "slug" format, e.g. `sesame-street`.
-
 ## Misc
-Please note that each episode of Sesame Street at ~720p quality is `~500MB`. If you are on a metered or a slow connection this may be a problem.
+Please note that each episode at ~720p quality is around `500MB`. If you are on a metered or a slow connection this may be a problem.
 
 Every episode that is downloaded gets logged by appending its ID to a text file `~/.oscar_history`. This file is checked every time `oscar` runs to validate if an episode is new or not.
 
-Currently a new episode cycles in on Friday at 1am EST.
+Currently new episodes cycle in on Friday at 1am EST.