diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 8a8d162a37..38b4e0f16e 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -451,6 +451,15 @@
 
     ; Attempt to render meshes and sculpties on the map
     RenderMeshes = false
+	
+	; warp3D rendering height limits for prims (relative to rez position not bounding box)
+	; prims above RenderMaxHeight are excluded
+	; valid values: 100 t0 4086
+	;RenderMaxHeight = 4086
+	
+	; prims below RenderMinHeight are excluded
+	; valid values: -100 to RenderMaxHeight - 10
+	;RenderMinHeight = -100
 
 [Permissions]
     ; ##