diff --git a/frontend/src/v2/__tests__/v2-layout-invariants.test.ts b/frontend/src/v2/__tests__/v2-layout-invariants.test.ts
index 78bb77aee..0bf0cc196 100644
--- a/frontend/src/v2/__tests__/v2-layout-invariants.test.ts
+++ b/frontend/src/v2/__tests__/v2-layout-invariants.test.ts
@@ -145,6 +145,10 @@ describe('v2 layout invariants (CSS rule presence)', () => {
   const appsManagement = read('../../components/AppsManagement.tsx');
   const podModel = read('../../../../backend/models/Pod.ts');
 
+  test('BYO hints do not add paragraph margins to flex gaps', () => {
+    expect(ruleBody(v2, '.v2-byo__hint')).toContain('margin: 0');
+  });
+
   test('Your Team card name owns its line so the category chip cannot crush it', () => {
     // Direction C: the name sits in its own column of the card head; the
     // crush guard is min-width 0 on the name and the head, not a flex basis.
diff --git a/frontend/src/v2/v2.css b/frontend/src/v2/v2.css
index 442d6e2c8..76b85336c 100644
--- a/frontend/src/v2/v2.css
+++ b/frontend/src/v2/v2.css
@@ -5694,6 +5694,7 @@ body.modern-ui.v2-canvas {
 .v2-byo__hint {
   font-size: 12px;
   color: var(--v2-text-tertiary);
+  margin: 0;
 }
 .v2-byo__error {
   padding: 10px 12px;