diff --git a/gobgp/cmd/global.go b/gobgp/cmd/global.go
index 98fa5146..c84b0910 100644
--- a/gobgp/cmd/global.go
+++ b/gobgp/cmd/global.go
@@ -1247,7 +1247,11 @@ func modPath(resource string, name, modtype string, args []string) error {
 		etherTypes := strings.Join(ss, ", ")
 		helpErrMap := map[bgp.RouteFamily]error{}
 		baseHelpMsgFmt := fmt.Sprintf(`error: %s
-usage: %s rib -a %%s %s <PREFIX> %%s [origin { igp | egp | incomplete }] [aspath <VALUE>] [nexthop <ADDRESS>] [med <VALUE>] [local-pref <VALUE>] [community <VALUE>] [aigp metric <METRIC>] [large-community <VALUE>] [aggregator <AS:ADDRESS>]`,
+usage: %s rib -a %%s %s <PREFIX> %%s [origin { igp | egp | incomplete }] [aspath <ASPATH>] [nexthop <ADDRESS>] [med <NUM>] [local-pref <NUM>] [community <COMMUNITY>] [aigp metric <NUM>] [large-community <LARGE_COMMUNITY>] [aggregator <AGGREGATOR>]
+	<ASPATH>: <AS>[,<AS>],
+	<COMMUNITY>: xxx:xxx|internet|planned-shut|accept-own|route-filter-translated-v4|route-filter-v4|route-filter-translated-v6|route-filter-v6|llgr-stale|no-llgr|blackhole|no-export|no-advertise|no-export-subconfed|no-peer,
+	<LARGE_COMMUNITY>: xxx:xxx:xxx[,<LARGE_COMMUNITY>],
+	<AGGREGATOR>: <AS>:<ADDRESS>`,
 			err,
 			cmdstr,
 			// <address family>