diff --git a/nostril.c b/nostril.c
index 04e19bd..0082daf 100644
--- a/nostril.c
+++ b/nostril.c
@@ -81,6 +81,7 @@ void usage()
 	printf("      --created-at <unix timestamp>   set a specific created-at time\n");
 	printf("      --sec <hex seckey>              set the secret key for signing, otherwise one will be randomly generated\n");
 	printf("      --pow <difficulty>              number of leading 0 bits of the id to mine\n");
+	printf("      --mine-pubkey                   mine a pubkey instead of id\n");
 	printf("      --tag <key> <value>             add a tag\n");
 	printf("      -e <event_id>                   shorthand for --tag e <event_id>\n");
 	printf("      -p <pubkey>                     shorthand for --tag p <pubkey>\n");