diff --git a/TODO.txt b/TODO.txt
index 0a1552a..91befaf 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -13,3 +13,4 @@ TODO for iceaddr
 * nearest_* functions should also return distance of location
 * Add MANNVIRKI gpkg data from LMÍ?
 * Canonical address formatting utility function?
+* Tests should make sure that no entry in stadfangaskra has a postcode we're not familiar with
\ No newline at end of file