diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index e3be5b2..8169150 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -69,7 +69,7 @@
 	}
 	fprintf(stderr, "Usage: ip addr {add|change|replace} IFADDR dev STRING [ LIFETIME ]\n");
 	fprintf(stderr, "                                                      [ CONFFLAG-LIST ]\n");
-	fprintf(stderr, "       ip addr del IFADDR dev STRING\n");
+	fprintf(stderr, "       ip addr del IFADDR dev STRING [mngtmpaddr]\n");
 	fprintf(stderr, "       ip addr {show|save|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
 	fprintf(stderr, "                            [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ] [up]\n");
 	fprintf(stderr, "       ip addr {showdump|restore}\n");