diff --git a/docs/intro.md b/docs/intro.md
index f29b5c9..77212b9 100644
--- a/docs/intro.md
+++ b/docs/intro.md
@@ -2,14 +2,14 @@
 title: Introduction
 slug: /
 sidebar_position: 0
-description: Native app automation for AI agents and humans — Android emulators and phones, iOS simulators and iPhones, from one Go binary.
+description: Mobile app automation for AI agents and humans — Android emulators and phones, iOS simulators and iPhones, from one Go binary.
 ---
 
 # Mobium
 
 *Mutatis mutandis.*
 
-**Native app automation for AI agents and humans.** Android emulators,
+**Mobile app automation for AI agents and humans.** Android emulators,
 Android phones, iOS simulators and iPhones, driven through one tool layer
 from a single Go binary with no runtime dependencies.
 
@@ -22,10 +22,14 @@ that changed a login screen should be able to open the app, read what is
 actually on screen, tap through the flow and look at the result — without a
 person driving an emulator for it. People get the same commands.
 
-It drives native apps the way [Vibium](https://github.com/VibiumDev/vibium)
+It drives native, hybrid and cross-platform apps, and pages in a mobile browser
+or installed as a PWA, the way [Vibium](https://github.com/VibiumDev/vibium)
 drives browsers: a `map` → `@ref` → act loop that an agent can follow
 without learning a new model.
 
+What each app type needs, and which apps of each type were driven, is in
+[APP-TYPES](https://github.com/mobiumdev/mobium/blob/main/docs/APP-TYPES.md).
+
 ## The loop
 
 `map` reads the screen and gives everything a person could act on a ref:
diff --git a/docusaurus.config.js b/docusaurus.config.js
index 8e60918..032ac57 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -4,7 +4,7 @@ import {themes as prismThemes} from 'prism-react-renderer';
 /** @type {import('@docusaurus/types').Config} */
 const config = {
   title: 'Mobium',
-  tagline: 'Native app automation for AI agents and humans',
+  tagline: 'Mobile app automation for AI agents and humans',
   favicon: 'img/favicon.svg',
 
   future: {