Installation instructions on deno.com/deploy are outdated

[fonsp]

These instructions are for Deno 1.0:

➜  ~ deno install -A --no-check -r -f https://deno.land/x/deploy/deployctl.ts
error: the following required arguments were not provided:
  --global

Note: Permission flags can only be used in a global setting

The correct instructions are in the README of this repo