diff --git a/tests/kernel-cases/sweeps/450-revolve-spherical-shell-sketched-off-the-origin/expected.json b/tests/kernel-cases/sweeps/450-revolve-spherical-shell-sketched-off-the-origin/expected.json
index 54408ad818..8f8410807d 100644
--- a/tests/kernel-cases/sweeps/450-revolve-spherical-shell-sketched-off-the-origin/expected.json
+++ b/tests/kernel-cases/sweeps/450-revolve-spherical-shell-sketched-off-the-origin/expected.json
@@ -5,8 +5,9 @@
  ],
  "what": "a half ring between two arcs (both radial lines on the axis) revolved a full turn from a sketch plane 10 mm above the origin (volume +34 %)",
  "source": "analytic",
- "method": "the revolve is a hollow ball of radii 40 and 18.5 centred at (0,0,10): V = 4/3 pi (40^3 - 18.5^3), A = 4 pi (40^2 + 18.5^2); two spherical faces, one body with an inner shell.",
+ "method": "the revolve is a hollow ball of radii 40 and 18.5 centred at (0,0,10): V = 4/3 pi (40^3 - 18.5^3), A = 4 pi (40^2 + 18.5^2); two spherical faces, one body with an inner shell. The inner sphere bounds the void, so the body has two shells.",
  "body_count": 1,
+ "shells": 2,
  "volume_mm3": 241560.72432594837,
  "area_mm2": 24407.033325739103,
  "faces": 2,