diff --git a/docs/u_e-dovecot-expunge.md b/docs/u_e-dovecot-expunge.md
index 52d0062cd..a3ab62f7e 100644
--- a/docs/u_e-dovecot-expunge.md
+++ b/docs/u_e-dovecot-expunge.md
@@ -31,8 +31,11 @@ If you want to automate such a task you can create a cron job on your host that
 
 ```
 #!/bin/bash
-/usr/local/bin/docker-compose exec dovecot-mailcow doveadm expunge -A mailbox 'Junk' savedbefore 2w
-/usr/local/bin/docker-compose exec dovecot-mailcow doveadm expunge -A mailbox 'Junk' SEEN not SINCE 12h
+# Path to mailcow-dockerized, e.g. /opt/mailcow-dockerized
+cd /path/to/your/mailcow-dockerized
+
+/usr/local/bin/docker-compose exec -T dovecot-mailcow doveadm expunge -A mailbox 'Junk' savedbefore 2w
+/usr/local/bin/docker-compose exec -T dovecot-mailcow doveadm expunge -A mailbox 'Junk' SEEN not SINCE 12h
 [...]
 ```