diff --git a/Design-Doc%3A-%60level%60-tool.md b/Design-Doc%3A-%60level%60-tool.md
index a4a26ec..7d7a59b 100644
--- a/Design-Doc%3A-%60level%60-tool.md
+++ b/Design-Doc%3A-%60level%60-tool.md
@@ -99,7 +99,7 @@ For (number of component instances):
 
 ### Map Data
 ```
-For plane A and plane B:
+For plane B, then plane A:
    For (total tiles height):
       For (total tiles width):
          2 bytes: Tilemap ID (0 = No Tile, otherwise offset by 1 in the tilemap)