diff --git a/smtprelay.ini b/smtprelay.ini
index e73ecfe..e6ed867 100644
--- a/smtprelay.ini
+++ b/smtprelay.ini
@@ -24,7 +24,7 @@
 
 ; Listen on the following addresses for incoming
 ; unencrypted connections.
-; listen = 127.0.0.1:25 [::1]:25
+;listen = 127.0.0.1:25 [::1]:25
 
 ; STARTTLS and TLS are also supported but need a
 ; SSL certificate and key.