diff --git a/continue.md b/continue.md
index 2e37df1..72c1fea 100644
--- a/continue.md
+++ b/continue.md
@@ -130,9 +130,9 @@ All constants defined in `src/test_utilities.h` — use those, do not redefine l
 - `test_orbital_period` ✅ — Orbital period calculations, SCENARIO/SECTION pattern
 - `test_true_anomaly_roundtrip` ✅ — True anomaly conversion round-trips, tight tolerances
 - `test_physics_utilities` ✅ — Vector math, acceleration, matrix ops, rotation matrices, compare_vec3
+- `test_periapsis_burn` — prograde burns
 
 ### Can Refactor Now (sim_engine.py supports all features needed)
-- `test_periapsis_burn` — prograde burns
 - `test_hybrid_burns` — impulse burns
 - `test_omega_debug` — burn + element reconstruction
 - `test_orbit_rendering` — rendering tests (check if sim_engine needed)