diff --git a/tests/lib/dashboard/app.mjs b/tests/lib/dashboard/app.mjs
index 7f2c6432..cbcb2d5a 100644
--- a/tests/lib/dashboard/app.mjs
+++ b/tests/lib/dashboard/app.mjs
@@ -67,7 +67,7 @@ const CHART_DEFS = [
   { metric: 'graph.loadMs', title: 'Graph load time', unit: 'ms', budget: null },
   { metric: 'graph.avgTickMs', title: 'Sim tick cost', unit: 'ms', budget: 8 },
   { metric: 'graph.queryP95Ms', title: 'Query p95 latency', unit: 'ms', budget: 800 },
-  { metric: 'graph.driftPx', title: 'Layout drift', unit: 'px', budget: 25 },
+  { metric: 'graph.driftPx', title: 'Layout wander vs size (scale sweep)', unit: 'px' },
   { metric: 'physics.settleSeconds', title: 'Physics settle time', unit: 's' },
   { metric: 'vlm.score', title: 'VLM visual score', unit: 'score' },
 ];
diff --git a/tests/lib/reporting/generate-perf-report.mjs b/tests/lib/reporting/generate-perf-report.mjs
index 8cd78d82..04fd53fc 100644
--- a/tests/lib/reporting/generate-perf-report.mjs
+++ b/tests/lib/reporting/generate-perf-report.mjs
@@ -99,7 +99,7 @@ ${lineChart('Interaction FPS vs size (drag)', 'interactionFps', { unit: '' })}
 ${lineChart('Initial load vs size', 'loadMs', { unit: 'ms' })}
 ${lineChart('Avg simulation tick vs size', 'avgTickMs', { unit: 'ms', budget: 8 })}
 ${lineChart('Settle time vs size', 'settleMs', { unit: 'ms' })}
-${lineChart('Layout drift vs size', 'rmsFromSavedPx', { unit: 'px', budget: 25 })}
+${lineChart('Layout wander vs size (seed displacement)', 'rmsFromSavedPx', { unit: 'px' })}
 ${lineChart('Query p95 latency vs size', 'queryP95Ms', { unit: 'ms', budget: 800 })}
 </div>
 <h2>All metrics</h2>