diff --git a/NOTES.md b/NOTES.md
index 8249392226a66dd7768c5b2ba6e932139e1d2818..dc077cc25f58e741e4253a966c1b76048618b2bb 100644
--- a/NOTES.md
+++ b/NOTES.md
@@ -40,6 +40,7 @@ Switch between MAIL and BULLETIN modes? MAIL commands are documented
     * Commands for a local mail system?
     * Commands to connect to Mattermost or mastodon?
     * ~~Commands to manage users.~~
+  * Make a spreadsheet for signups.
 
 Done: