diff --git a/CALCKEY.md b/CALCKEY.md
index b05d4064d..bcc90df2b 100644
--- a/CALCKEY.md
+++ b/CALCKEY.md
@@ -15,6 +15,7 @@
 - Non-nyaify cat mode
 - Timeline filters
 - Filter notifications by user
+- Join Reason system like Mastodon/Pleroma
 - Build flag to remove NSFW/AI stuff
 - [Rat mode?](https://stop.voring.me/notes/933fx97bmd)