docs: 📝 update README

Author: Adam Simpson

README.md

@@ -13,8 +13,13 @@ A CLI application to download Sesame Street videos from PBS. Ideally run in cron
 
 `-o --output`: Where to save movies, 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 of Sesame Street at ~720p quality is `~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.