diff --git a/tests/test_e2e_docker.py b/tests/test_e2e_docker.py
index 5fb4b9a..51959c7 100644
--- a/tests/test_e2e_docker.py
+++ b/tests/test_e2e_docker.py
@@ -68,11 +68,13 @@ def docker_env():
 
 class TestDockerHealth:
     def test_health_endpoint(self, docker_env):
+        # /api/health returns 'ok' or 'unhealthy' (never 'healthy' — that's
+        # the detailed endpoint's vocabulary). See app/api/health.py:111-118.
         import httpx
         resp = httpx.get(f"{docker_env}/api/health")
         assert resp.status_code == 200
         data = resp.json()
-        assert data.get("status") in ("ok", "healthy")
+        assert data.get("status") == "ok"
 
     def test_health_has_duckdb(self, docker_env):
         # /api/health touches system.duckdb to read schema_version, so