Merge pull request #1416 from filecoin-project/feat/import-data-usage

Feat/import data usage

cmd/lotus-storage-miner/market.go

@@ -46,8 +46,9 @@ var dealsCmd = &cli.Command{
 }
 
 var dealsImportDataCmd = &cli.Command{
-	Name:  "import-data",
-	Usage: "Manually import data for a deal",
+	Name:      "import-data",
+	Usage:     "Manually import data for a deal",
+	ArgsUsage: "<proposal CID> <file>",
 	Action: func(cctx *cli.Context) error {
 		api, closer, err := lcli.GetStorageMinerAPI(cctx)
 		if err != nil {