diff --git a/content/instant-messaging/configuring_an_xmpp_server_prosody_0.11.md b/content/instant-messaging/configuring_an_xmpp_server_prosody_0.11.md
index 625cab0..8590dca 100644
--- a/content/instant-messaging/configuring_an_xmpp_server_prosody_0.11.md
+++ b/content/instant-messaging/configuring_an_xmpp_server_prosody_0.11.md
@@ -208,7 +208,7 @@ Add an entry to cron to automatically renew LetsEncrypt certificates
 And add:
 
     :::console
-    0 4 0 * 0  /usr/bin/certbot renew --renew-hook "prosodyctl --root cert import /etc/letsencrypt/live" --quiet
+    0 4 * * 0  /usr/bin/certbot renew --renew-hook "prosodyctl --root cert import /etc/letsencrypt/live" --quiet
 
 This will check and renew the certificates every week on sunday at 04:00.