diff --git a/bin/dnssec/dnssec-signzone.c b/bin/dnssec/dnssec-signzone.c
index 6c4bf3631e..73855e6284 100644
--- a/bin/dnssec/dnssec-signzone.c
+++ b/bin/dnssec/dnssec-signzone.c
@@ -3308,7 +3308,7 @@ usage(void) {
 	fprintf(stderr, "\t-n ncpus (number of cpus present)\n");
 	fprintf(stderr, "\t-k key_signing_key\n");
 	fprintf(stderr, "\t-3 NSEC3 salt\n");
-	fprintf(stderr, "\t-H NSEC3 iterations (10)\n");
+	fprintf(stderr, "\t-H NSEC3 additional iterations (%d)\n", nsec3iter);
 	fprintf(stderr, "\t-A NSEC3 optout\n");
 
 	fprintf(stderr, "\n");