diff --git a/wiki/MapData.md b/wiki/MapData.md
index 760cc9d..d83c896 100644
--- a/wiki/MapData.md
+++ b/wiki/MapData.md
@@ -333,6 +333,7 @@ object [<name>]
 	period <period#>
 	offset <offset#>
 	hazard <name> <period#>
+	visibility <maxDistance> [<minDistance>]
 	object [<name>]
 		...
 ```
@@ -387,6 +388,12 @@ hazard <name> <period#>
 
 A system hazard with behavior as described above, only with its origin on this object instead of at the system center. An object can have multiple different hazards attached to it. **(v0.9.15)**
 
+```
+visibility <maxDistance> [<minDistance>]
+```
+
+The range from which the object is visible. `maxDistance` is the range where the object becomes invisible, and `minDistance` is where it becomes fully visible. If `minDistance` is greater, the object disappears as the player gets closer. **(v0.10.11)**
+
 ```
 object [<name>]
 	...