diff --git a/diary.md b/diary.md
index 29e3a42..e1faaa2 100644
--- a/diary.md
+++ b/diary.md
@@ -2,6 +2,7 @@
 - Add variable text to loading screen.
 - Attempt to find the user's geolocation and centre the map + put a marker there.
 - Save the user's selected filters to a cookie upon submit, and load this cookie on page load to pre-select the user's last selection.
+- Add return_luas_data unit tests.
 
 ## Tue 04 Mar 2025
 - Add debounce effect to search to prevent application from running out of memory, freezing up, and making markers unresponsive.