diff --git a/postfix-policyd-spf-perl b/postfix-policyd-spf-perl
index cb75f7e..85f5b47 100755
--- a/postfix-policyd-spf-perl
+++ b/postfix-policyd-spf-perl
@@ -171,7 +171,7 @@ sub exempt_localhost {
     my $attr = $options{attr};
     if ($attr->{client_address} != '') {
         my $client_address = NetAddr::IP->new($attr->{client_address});
-        return 'PREPEND X-Comment SPF not applicable to localhost connection, skipped check'
+        return 'PREPEND X-Comment: SPF not applicable to localhost connection - skipped check'
             if grep($_->contains($client_address), localhost_addresses);
     };
     return 'DUNNO';
@@ -186,7 +186,7 @@ sub exempt_relay {
     my $attr = $options{attr};
     if ($attr->{client_address} != '') {
         my $client_address = NetAddr::IP->new($attr->{client_address});
-        return 'PREPEND X-Comment SPF skipped for whitelisted relay'
+        return 'PREPEND X-Comment: SPF skipped for whitelisted relay'
             if grep($_->contains($client_address), relay_addresses);
     };
     return 'DUNNO';