diff --git a/src/server/game/DataStores/DBCEnums.h b/src/server/game/DataStores/DBCEnums.h
index 922d29b0f5..141c1060af 100644
--- a/src/server/game/DataStores/DBCEnums.h
+++ b/src/server/game/DataStores/DBCEnums.h
@@ -406,7 +406,7 @@ enum VehicleSeatFlags
     VEHICLE_SEAT_FLAG_CAN_ATTACK                                       = 0x00004000, // Can attack, cast spells and use items from vehicle
     VEHICLE_SEAT_FLAG_SHOULD_USE_VEH_SEAT_EXIT_ANIM_ON_FORCED_EXIT     = 0x00008000,
     VEHICLE_SEAT_FLAG_UNK17                                            = 0x00010000,
-    VEHICLE_SEAT_FLAG_UNK18                                            = 0x00020000,
+    VEHICLE_SEAT_FLAG_UNK18                                            = 0x00020000, // Needs research and support (28 vehicles): Allow entering vehicles while keeping specific permanent(?) auras that impose visuals (states like beeing under freeze/stun mechanic, emote state animations).
     VEHICLE_SEAT_FLAG_HAS_VEH_EXIT_ANIM_VOLUNTARY_EXIT                 = 0x00040000,
     VEHICLE_SEAT_FLAG_HAS_VEH_EXIT_ANIM_FORCED_EXIT                    = 0x00080000,
     VEHICLE_SEAT_FLAG_UNK21                                            = 0x00100000,