diff --git a/src/test/verify-dnsapi-plugins-in-schema.pl b/src/test/verify-dnsapi-plugins-in-schema.pl
index bfa1daf..bf4b4a8 100755
--- a/src/test/verify-dnsapi-plugins-in-schema.pl
+++ b/src/test/verify-dnsapi-plugins-in-schema.pl
@@ -22,19 +22,27 @@ dir_glob_foreach($dnsapi_path, qr/dns_(\S+)\.sh/, sub {
 my $DNS_API_CHALLENGE_SCHEMA_FN = '../dns-challenge-schema.json';
 my $defined_plugins = from_json(PVE::Tools::file_get_contents($DNS_API_CHALLENGE_SCHEMA_FN));
 
+my ($missing_json_proposal, $missing_makefile_proposal) = ('', '');
+
 my $ok = 1;
 # first check for missing ones, delete from hash so we can easily see if a plug got removed/renamed
-my $printed_missing = 0;
 for my $provider (sort @$acmesh_plugins) {
     my $schema = delete $defined_plugins->{$provider};
     if (!defined($schema)) {
-	print STDERR "\nmissing (also adapt makefile!):\n" if !$printed_missing;
-	print STDERR "    \"$provider\": {},\n";
-	$printed_missing = 1;
+	$missing_json_proposal .= "    \"$provider\": {},\n";
+	$missing_makefile_proposal .= "\tdnsapi/dns_${provider}.sh \\\n";
 	$ok = 0;
     }
 }
 
+if (!$ok) {
+    print STDERR "\nmissing plugins, add the following to the JSON schema:\n";
+    print STDERR $missing_json_proposal;
+
+    print STDERR "\nand to the Makefile:\n";
+    print STDERR $missing_makefile_proposal;
+}
+
 my $printed_extra = 0;
 for my $provider (sort keys %$defined_plugins) {
     print STDERR "\nplugins that got removed or renamed upstream:\n" if !$printed_extra;