diff --git a/TODO.txt b/TODO.txt
index 8f88180..4eee157 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -4,3 +4,4 @@
 [ ] export CSV/excel/markdown for printing
 [x] split requirements into prod, test, dev
 [ ] improve handling of settings for prod, test, and dev: avoid all those if statements
+[ ] set up logging properly