diff --git a/resources/graphics/TODO.txt b/resources/graphics/TODO.txt
index 488222e..3d83a2c 100644
--- a/resources/graphics/TODO.txt
+++ b/resources/graphics/TODO.txt
@@ -8,6 +8,7 @@ DONE	lasersource		lasersource
 DONE	lasertarget.png		lasertarget
 DONE	/door/			gate
 				tiles with symbols for level 1 tasks.
+				widen block03.png
 dummy	spacecraft.png		spaceship
 				elevating_platform
 dummy	wall.png		walls (in-door)