diff --git a/docs/superpowers/plans/2026-06-11-wide-angle-distortion.md b/docs/superpowers/plans/2026-06-11-wide-angle-distortion.md
index 4af783c..a4c654f 100644
--- a/docs/superpowers/plans/2026-06-11-wide-angle-distortion.md
+++ b/docs/superpowers/plans/2026-06-11-wide-angle-distortion.md
@@ -972,7 +972,8 @@ and replace the `'beats a homography on barrel-distorted data'` test body's homo
     const test: Vec2[] = [[488, 244], [1464, 732], [1952, 488], [976, 976]];
     const polyMax = Math.max(...test.map((m) => dist(applyPolyWarp(w, m), trueMap(m))));
     const baseMax = Math.max(...test.map((m) => dist(applyPolyWarp(baseline, m), trueMap(m))));
-    expect(polyMax).toBeLessThan(baseMax * 0.05);
+    expect(baseMax).toBeGreaterThan(1e-3); // affine baseline genuinely fails on barrel data
+    expect(polyMax).toBeLessThan(1e-6); // degree-3 fit of cubic data is near-exact everywhere
   });
 ```