diff --git a/README.md b/README.md
index a264b01e..a5ddb96c 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,11 @@ An app and a set of agent skills for rebuilding and designing product UI as
 toolkit the skills drive. Your boards stay in your project, and the app
 upgrades around them.
 
+This repo is the open-source edition. [Mono Factory](https://monofactory.ai)
+is the commercial edition: it works out of the box, with its agents already
+set up, for anyone who would rather not configure agents themselves.
+[How the two differ](#commercial-edition).
+
 The point of it is a replica you can defend. Every colour and every metric on a
 cloned board traces back to a measurement of the source capture, and the
 capture itself is parked on the canvas directly under the replica, so the two
@@ -98,7 +103,10 @@ checks again. v1.5.3 and earlier do not, so update those once by hand, with
 
 The app is the canvas in a window, and it needs no terminal and no bun. It
 opens straight onto its home page, which is no project's, and asks over it
-which agent you will work with, Claude Code or Codex. New projects are made in
+which agent you will work with, Claude Code or Codex. That agent is your own:
+you install it and sign in to it yourself.
+[Mono Factory](https://monofactory.ai), the commercial edition, comes with its
+agents set up instead. New projects are made in
 `Documents/Super Prototyping` from the home page or the + on the tab bar, and
 each shows its `canvases`. The home page's Community section lists the
 projects people shared, each opening read-only as a tab, and
@@ -264,11 +272,20 @@ release" in `CONTRIBUTING.md`.
 
 ## Commercial edition
 
-This repo is the open-source edition, free to use. A commercial edition is
-packaged and supported for studios and teams, from ReScience Lab Inc.
-Pricing is by conversation: write to
-[yilin.jing@rescience.com](mailto:yilin.jing@rescience.com) with your team size
-and what you want to use it for.
+super-prototyping, this repo, is the open-source edition: free to use, and you
+bring the agent. You install Claude Code or Codex, sign in to it with your own
+account, and the app works with the one you choose.
+
+[Mono Factory](https://monofactory.ai) is the commercial edition, from
+ReScience Lab Inc. It works out of the box: its agents come set up, so there
+is nothing to install beside the app and nothing to configure. If you would
+rather not set agents up yourself, get Mono Factory instead.
+
+It is a desktop app you [download](https://monofactory.ai/download/) from its
+site and pay for as you go; the rates are on its
+[pricing page](https://monofactory.ai/pricing/). An Enterprise edition for
+teams is on the way, and [its page](https://monofactory.ai/enterprise/) says
+how to ask about it.
 
 ## Licence