diff --git a/docz/docs/03-demos/11-static/09-nuxtjs.md b/docz/docs/03-demos/11-static/09-nuxtjs.md
index 2193838..4fd6a75 100644
--- a/docz/docs/03-demos/11-static/09-nuxtjs.md
+++ b/docz/docs/03-demos/11-static/09-nuxtjs.md
@@ -357,6 +357,7 @@ Two files must be written:
 - `sheetformer.ts` (the raw transformer module):
 
 ```ts title="sheetformer.ts"
+// @ts-ignore
 import { defineTransformer } from "@nuxt/content/transformers/utils";
 import { read, utils } from "xlsx";
 import { readFileSync } from "node:fs";
@@ -434,7 +435,7 @@ Loading http://localhost:3000/pres should show some JSON data:
 
 5) Create a page.  Save the following content to `pages/pres.vue`:
 
-```html
+```html title="pages/pres.vue"
 <script setup>
 const {data} = await useAsyncData('s5s', () => queryContent('/pres').findOne());
 </script>
diff --git a/docz/docs/03-demos/42-headless.md b/docz/docs/03-demos/42-headless.md
index 6c8fa16..c768ba0 100644
--- a/docz/docs/03-demos/42-headless.md
+++ b/docz/docs/03-demos/42-headless.md
@@ -1,5 +1,5 @@
 ---
-title: Headless Automation
+title: Browser Automation
 ---
 
 import Tabs from '@theme/Tabs';
@@ -19,7 +19,37 @@ back to the automation script.
 This demo focuses on exporting table data to a workbook.  Headless browsers do
 not generally support passing objects between the browser context and the
 automation script, so the file data must be generated in the browser context
-and sent back to the automation script for saving in the file system.  Steps:
+and sent back to the automation script for saving in the file system.
+
+```mermaid
+sequenceDiagram
+  autonumber off
+  actor U as User
+  participant C as Controller
+  participant B as Browser
+  U->>C: run script
+  rect rgba(255, 0, 0, 0.25)
+    C->>B: launch browser
+    B->>C: ready
+    C->>B: load URL
+    B->>C: site loaded
+  end
+  rect rgba(0, 127, 0, 0.25)
+    C->>B: add SheetJS script
+    B->>C: script loaded
+  end
+  rect rgba(255, 0, 0, 0.25)
+    C->>B: ask for file
+    Note over B: scrape tables
+    Note over B: generate workbook
+    B->>C: file bytes
+  end
+  rect rgba(0, 127, 0, 0.25)
+    C->>U: save file
+  end
+```
+
+Steps:
 
 1) Launch the headless browser and load the target site.