diff --git a/bootstrap/bootstrap.mjs b/bootstrap/bootstrap.mjs
index e7f3715..7f4f32e 100644
--- a/bootstrap/bootstrap.mjs
+++ b/bootstrap/bootstrap.mjs
@@ -1031,10 +1031,11 @@ async function applySeed() {
     { key: 'a6p', name: 'A6 Hochformat', kind: 'brief', page_width_mm: 105, page_height_mm: 148, margin_top_mm: 8, margin_left_mm: 8, margin_right_mm: 14, line_height_factor: 1.3, line_limit: 14, active: true },
     // margin_right_mm bewusst null: löscht den früheren rechten Greifrand beim Upsert-PATCH (jetzt unten).
     { key: 'a6l', name: 'A6 Querformat', kind: 'brief', page_width_mm: 148, page_height_mm: 105, margin_top_mm: 8, margin_left_mm: 8, margin_right_mm: null, margin_bottom_mm: 14, line_height_factor: 1.2, line_limit: 11, active: true },
-    // Greifrand an der langen (210 mm) Seite: A5 hoch → rechts, A5 quer + DIN lang → unten.
-    { key: 'a5p', name: 'A5 Hochformat', kind: 'brief', page_width_mm: 148, page_height_mm: 210, margin_top_mm: 20, margin_left_mm: 15, margin_right_mm: 14, line_height_factor: 1.35, line_limit: 19, active: true },
-    { key: 'a5l', name: 'A5 Querformat', kind: 'brief', page_width_mm: 210, page_height_mm: 148, margin_top_mm: 20, margin_left_mm: 15, margin_bottom_mm: 14, line_height_factor: 1.35, line_limit: 13, active: true },
-    // DIN lang komplett beschrieben (Volltext, KEIN Adress-Layout) – kind brief, Greifrand unten.
+    // A5 greift an der KURZEN (148 mm) Seite: hoch → unten, quer → rechts.
+    // null löscht den ggf. früher geseedeten Gegen-Rand beim Upsert-PATCH.
+    { key: 'a5p', name: 'A5 Hochformat', kind: 'brief', page_width_mm: 148, page_height_mm: 210, margin_top_mm: 20, margin_left_mm: 15, margin_right_mm: null, margin_bottom_mm: 14, line_height_factor: 1.35, line_limit: 19, active: true },
+    { key: 'a5l', name: 'A5 Querformat', kind: 'brief', page_width_mm: 210, page_height_mm: 148, margin_top_mm: 20, margin_left_mm: 15, margin_right_mm: 14, margin_bottom_mm: null, line_height_factor: 1.35, line_limit: 13, active: true },
+    // DIN lang komplett beschrieben (Volltext, KEIN Adress-Layout) – kind brief, Greifrand an der langen Seite → unten.
     { key: 'dinlang_karte', name: 'DIN lang (komplett beschrieben)', kind: 'brief', page_width_mm: 210, page_height_mm: 105, margin_top_mm: 8, margin_left_mm: 10, margin_bottom_mm: 14, line_height_factor: 1.2, line_limit: 11, active: true },
     { key: 'din_lang', name: 'DIN Lang Kuvert', kind: 'umschlag', page_width_mm: 220, page_height_mm: 110, margin_top_mm: 50, margin_left_mm: 10, line_height_factor: 1.2, active: true },
     { key: 'c6', name: 'C6 Kuvert', kind: 'umschlag', page_width_mm: 162, page_height_mm: 114, margin_top_mm: 60, margin_left_mm: 10, line_height_factor: 1.2, active: true },