diff --git a/QSB/EchoesOfTheEye/Ghosts/GhostManager.cs b/QSB/EchoesOfTheEye/Ghosts/GhostManager.cs
index 2fbec4a5..f5d48e37 100644
--- a/QSB/EchoesOfTheEye/Ghosts/GhostManager.cs
+++ b/QSB/EchoesOfTheEye/Ghosts/GhostManager.cs
@@ -53,6 +53,9 @@ internal class GhostManager : WorldObjectManager
 			_zone2Director._cityGhosts[i].GetWorldObject<QSBGhostBrain>().OnIdentifyIntruder += CustomOnCityGhostsIdentifiedIntruder;
 		}
 
+		// the collision group sector is smaller than the one for ghost light sensors,
+		// so ghosts can see thru walls.
+		// fix this by just changing the collision group sector :P
 		var allCollisionGroups = Resources.FindObjectsOfTypeAll<SectorCollisionGroup>();
 		var city = allCollisionGroups.First(x => x.name == "City");
 		city.SetSector(_zone2Director._sector);
diff --git a/QSB/EchoesOfTheEye/LightSensorSync/WorldObjects/QSBLightSensor.cs b/QSB/EchoesOfTheEye/LightSensorSync/WorldObjects/QSBLightSensor.cs
index 7a4f3ef2..44fb9a27 100644
--- a/QSB/EchoesOfTheEye/LightSensorSync/WorldObjects/QSBLightSensor.cs
+++ b/QSB/EchoesOfTheEye/LightSensorSync/WorldObjects/QSBLightSensor.cs
@@ -14,11 +14,6 @@ using System.Threading;
 
 namespace QSB.EchoesOfTheEye.LightSensorSync.WorldObjects;
 
-/// <summary>
-/// BUG: this breaks in zone2.
-/// the sector it's enabled in is bigger than the sector the zone2 walls are enabled in :(
-/// maybe this can be fixed by making the collision group use the same sector.
-/// </summary>
 internal class QSBLightSensor : AuthWorldObject<SingleLightSensor>
 {
 	internal bool _locallyIlluminated;