diff --git a/TODO.md b/TODO.md
index c921898..db19a14 100644
--- a/TODO.md
+++ b/TODO.md
@@ -14,7 +14,7 @@ Editing / Updating a post does not index newly added hashtags.
 
 ## Wishlist
 
-Implement support for 'Event' data types. Example: https://fediversity.site/item/e9bdb383-eeb9-4d7d-b2f7-c6401267cae0 (more info: https://event-federation.eu/)
+Track 'Event' data types standardization; how to add plan-to-attend and similar activities (more info: https://event-federation.eu/)
 
 Implement "FEP-3b86: Activity Intents" https://codeberg.org/fediverse/fep/src/branch/main/fep/3b86/fep-3b86.md
 
@@ -313,3 +313,5 @@ Post edits should preserve the image and the image description somewhat (2024-03
 Integrate "Ability to federate with hidden networks" see https://codeberg.org/grunfink/snac2/issues/93
 
 Consider adding milter-like support to reject posts to mitigate spam (discarded; 2024-04-20T22:46:35+0200).
+
+Implement support for 'Event' data types. Example: https://fediversity.site/item/e9bdb383-eeb9-4d7d-b2f7-c6401267cae0 (2024-05-12T08:56:27+0200)