diff --git a/config.inc.php b/config.inc.php
index e23b9112..4bc4217a 100644
--- a/config.inc.php
+++ b/config.inc.php
@@ -238,7 +238,7 @@ Hi,
 Welcome to your new account.
 EOM;
 
-// When creating mailboxes, check that the domain-part of the
+// When creating mailboxes or aliases, check that the domain-part of the
 // address is legal by performing a name server look-up.
 $CONF['emailcheck_resolve_domain']='YES';