diff --git a/changelog.d/1524-tools-heading-wrap.md b/changelog.d/1524-tools-heading-wrap.md
index 3aefce6c5..2a630f600 100644
--- a/changelog.d/1524-tools-heading-wrap.md
+++ b/changelog.d/1524-tools-heading-wrap.md
@@ -1,4 +1,4 @@
-- The agent and voice query tools report a direction of 359.5° or more as 0
-  instead of 360: vessel course and heading, aircraft course, transit bearing,
-  camera heading and satellite azimuths now round through the shared heading
-  helper the layers use (@quanticsoul4772, #1524).
+- The agent and voice query tools report a direction that rounds to 360 as 0:
+  vessel course and heading, aircraft course, transit bearing, camera heading
+  and satellite azimuths now round through the shared heading helper the
+  layers use, which wraps into 0–359 (@quanticsoul4772, #1524).
diff --git a/docs/CURRENT-STATE.md b/docs/CURRENT-STATE.md
index 35db1b1bb..ecbdf5e0f 100644
--- a/docs/CURRENT-STATE.md
+++ b/docs/CURRENT-STATE.md
@@ -207,7 +207,7 @@ shared `area` argument (place name, bounding box, or point and radius) and cap
 lists at 25 rows by default. Vessel `course_deg` and `heading_deg`, aircraft
 `course_deg`, transit `bearing_deg`, camera `heading_deg` and satellite
 `rise_azimuth_deg` and `azimuth_deg` are whole degrees from 0 to 359; a
-direction of 359.5° or more reads 0 rather than 360. `aircraft_in_area` and `vessels_in_area` can also
+direction that rounds to 360 reads 0, and larger or negative values wrap. `aircraft_in_area` and `vessels_in_area` can also
 count every match by a field (`group_by`: airline, read from the ICAO
 designator in the callsign, or operator, country or type for aircraft; type or
 destination for ships; the ten largest groups, then other and unknown counts;