diff --git a/PROJECT.md b/PROJECT.md
index 408a09a..f74c2ab 100644
--- a/PROJECT.md
+++ b/PROJECT.md
@@ -554,6 +554,12 @@ Tests: two added (127 total) — the fixture descriptor against every league (in
 champion's defence), and the record's forward-only write with the eliminator it names. `freshSplatter`
 resets `cups`/`out` for the same reason it resets the league: a cup ending writes them for real.
 
+**THE WALL'S HEADINGS BECAME SECTIONS** (same day, Oliver: "sind sehr klein, vielleicht koennen wir
+daraus richtige sektionen machen"). Each group is a `<section>` with its posters INSIDE it: the
+announcement face one size under the screen title, a rule closing the header, an inset band down
+the left, and the canonical room wearing the primary's colour. A heading floating over a stack is
+a label; the wall needed rooms.
+
 Open for the phone: whether the fixture button should ever go to the setup screen (it does not
 now), and whether the promotion's WALK ON should enter the draw instead of the clubhouse.