diff --git a/cmd/lotus-miner/precommits-info.go b/cmd/lotus-miner/precommits-info.go
index 23616e895..e700859e9 100644
--- a/cmd/lotus-miner/precommits-info.go
+++ b/cmd/lotus-miner/precommits-info.go
@@ -15,7 +15,7 @@ import (
 
 var sectorPreCommitsCmd = &cli.Command{
 	Name:  "precommits",
-	Usage: "Print precommits info",
+	Usage: "Print on-chain precommit info",
 	Action: func(cctx *cli.Context) error {
 		ctx := lcli.ReqContext(cctx)
 		mapi, closer, err := lcli.GetFullNodeAPI(cctx)