diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index fdd2a74..3c08ace 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -71,7 +71,7 @@
 	fprintf(stderr, "                                                      [ CONFFLAG-LIST ]\n");
 	fprintf(stderr, "       ip addr del IFADDR dev STRING\n");
 	fprintf(stderr, "       ip addr {show|save|flush} [ dev STRING ] [ scope SCOPE-ID ]\n");
-	fprintf(stderr, "                            [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ]\n");
+	fprintf(stderr, "                            [ to PREFIX ] [ FLAG-LIST ] [ label PATTERN ] [up]\n");
 	fprintf(stderr, "       ip addr {showdump|restore}\n");
 	fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
 	fprintf(stderr, "          [ broadcast ADDR ] [ anycast ADDR ]\n");
diff --git a/ip/iplink.c b/ip/iplink.c
index ad33611..5c7b43c 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -79,7 +79,7 @@
 	fprintf(stderr, "				   [ spoofchk { on | off} ] ] \n");
 	fprintf(stderr, "			  [ master DEVICE ]\n");
 	fprintf(stderr, "			  [ nomaster ]\n");
-	fprintf(stderr, "       ip link show [ DEVICE | group GROUP ]\n");
+	fprintf(stderr, "       ip link show [ DEVICE | group GROUP ] [up]\n");
 
 	if (iplink_have_newlink()) {
 		fprintf(stderr, "\n");
diff --git a/man/man8/ip-address.8.in b/man/man8/ip-address.8.in
index 63bf9cb..3cfc56a 100644
--- a/man/man8/ip-address.8.in
+++ b/man/man8/ip-address.8.in
@@ -163,6 +163,10 @@
 is a usual shell style pattern.
 
 .TP
+.B up
+only list running interfaces.
+
+.TP
 .BR dynamic " and " permanent
 (IPv6 only) only list addresses installed due to stateless
 address configuration or only list permanent (not dynamic)