diff --git a/TODO.md b/TODO.md
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--- a/TODO.md
+++ b/TODO.md
@@ -1,8 +1,8 @@
 # TODO
+- Resolve relative paths, or paths with a `~` correctly.
 - Don't draw pixels outside screen.
 - Add alpha support.
 - Do not draw invisible (alpha) pixels.
-- Read size from screen.
 - Instantly update images in painter threads,
   not just when the stopped drawing.
 - Process all images at start.