diff --git a/trunk.md b/trunk.md
index 4921f22..ba85907 100644
--- a/trunk.md
+++ b/trunk.md
@@ -80,6 +80,9 @@ Example: if your local time is UTC+5, and you know that Name is 8 hours behind y
 #### /mbchc title TITLE
 Set a custom title. Currenty only works with the same titles you can select. **Work in progress.**
 
+#### /mbchc purge!
+Deletes all your MBCHC settings from the server.
+
 #### /do VERB \[ZONE\] \[ [[TARGET]] \]
 Send an activity, as if clicked on its button. See [[its own page|do command]].