diff --git a/Design-Doc%3A-%60level%60-tool.md b/Design-Doc%3A-%60level%60-tool.md
index f34ed4d..ea706a6 100644
--- a/Design-Doc%3A-%60level%60-tool.md
+++ b/Design-Doc%3A-%60level%60-tool.md
@@ -27,6 +27,9 @@ The string property `reskit-layer` set on a Tile Layer indicates which layer sho
 
 Tile layers without `reskit-layer` set are ignored by the `level` tool. If no tile layer is specified using the `reskit-layer` property, or you use a setting invalid for the selected system, you will receive an error on the command line. Ensure both your tilemap and tileset are set to 8x8 tiles, or you will get a validation error upon running `level`.
 
+##### Tile Order
+Use property `reskit-tile-order` to assign a tile order when loaded into VRAM. Valid options are `sprite` and `tile`. These match the sprite and tile orders expected by the MD VDP.
+
 ##### Palette Assignment
 Per tile in the tileset, you can use property `reskit-palette` to assign a palette to each tile. Care should be taken not to exceed 15 colours per tile in total.