diff --git a/TODO.md b/TODO.md
index 9d3e491..4c88b91 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,3 +3,4 @@
 * Add file extensions ourselves to push state
 * add feedback for errors to UI - esp. too long
 * make sure file store still functions appropriately
+* add UI arrow in