diff --git a/target/dovecot/10-ssl.conf b/target/dovecot/10-ssl.conf
index 7b4c4ec7..8652ef19 100644
--- a/target/dovecot/10-ssl.conf
+++ b/target/dovecot/10-ssl.conf
@@ -43,8 +43,8 @@ ssl_key = </etc/dovecot/ssl/dovecot.key
 #ssl_cert_username_field = commonName
 
 # SSL DH parameters
-# This parameter will be optional in dovecot 2.3 https://wiki2.dovecot.org/Upgrading/2.3#dhparams
-# Until non-ECC based DH algorithms are dropped, please use recommended pre-defined DHE Groups https://github.com/internetstandards/dhe_groups
+# Since v2.3.3+ Diffie-Hellman parameters have been made optional, and you are encouraged to disable non-ECC DH algorithms completely.
+# `docker-mailserver` is configured to use the recommended pre-defined 4096-bit DHE Group at https://github.com/internetstandards/dhe_groups
 ssl_dh = </etc/dovecot/dh.pem
 
 # Minimum SSL protocol version to use. Potentially recognized values are SSLv3,