docs(website): describe the results pane's folder column

The pane guide and key table on the docs page, and the note above the
hero terminal, still spoke of one column for the whole path.

website/src/components/tui/hero-terminal.tsx

@@ -37,8 +37,9 @@ export const HeroTerminal = () => {
             >
               <StatusLine counts={demo.counts} pct={demo.pct} />
 
-              {/* Results across the top with the whole width for long names;
-                  Searches, Transfers and Info share the row underneath. */}
+              {/* Results across the top, file names in a column of their own
+                  with the folder beside them; Searches, Transfers and Info
+                  share the row underneath. */}
               <div className="mt-3 grid gap-2.5" style={{ gridTemplateRows: '330px 300px' }}>
                 <div className="relative min-h-0 overflow-hidden">
                   <ResultsPane

website/src/pages/docs.tsx

@@ -37,7 +37,7 @@ const PANE_KEYS: readonly (readonly [string, string])[] = [
   ['↑ ↓ · j k', 'move a row in any list'],
   ['Home End · g G', 'first / last row'],
   ['PgUp PgDn · ^u ^d', 'a page, or half a page; in a chat, back through the log'],
-  ['h l · ← →', 'scroll a long name or query sideways, 0 and $ to either end'],
+  ['h l · ← →', 'scroll a long name, folder or query sideways, 0 and $ to either end'],
 ]
 
 const ROOM_KEYS: readonly (readonly [string, string])[] = [
@@ -54,7 +54,7 @@ const PANES: readonly { num?: number; title: string; body: string }[] = [
   {
     num: 2,
     title: 'Results',
-    body: 'Files from the network across the whole width: size, user, bitrate, speed, free slots. Space selects, Enter queues a download. h/l or ←/→ scroll a long name, 0 and $ jump to either end.',
+    body: 'Files from the network across the whole width, each name in a column of its own with its folder beside it, then size, user, bitrate, speed, free slots. Space selects, Enter queues a download. h/l or ←/→ scroll a long name and folder, 0 and $ jump to either end.',
   },
   {
     num: 1,