diff --git a/cli/filplus.go b/cli/filplus.go
index 007071ea297..02aac0b7b0b 100644
--- a/cli/filplus.go
+++ b/cli/filplus.go
@@ -220,8 +220,8 @@ var filplusCheckClientCmd = &cli.Command{
 }
 
 var filplusCheckNotaryCmd = &cli.Command{
-	Name:  "check-notaries-datacap",
-	Usage: "check notaries remaining bytes",
+	Name:  "check-notary-datacap",
+	Usage: "check a notary's remaining bytes",
 	Action: func(cctx *cli.Context) error {
 		if !cctx.Args().Present() {
 			return fmt.Errorf("must specify notary address to check")
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index c3f45b5335d..0622e3c54cf 100644
--- a/documentation/en/cli-lotus.md
+++ b/documentation/en/cli-lotus.md
@@ -1117,12 +1117,12 @@ USAGE:
    lotus filplus command [command options] [arguments...]
 
 COMMANDS:
-   grant-datacap           give allowance to the specified verified client address
-   list-notaries           list all notaries
-   list-clients            list all verified clients
-   check-client-datacap    check verified client remaining bytes
-   check-notaries-datacap  check notaries remaining bytes
-   help, h                 Shows a list of commands or help for one command
+   grant-datacap         give allowance to the specified verified client address
+   list-notaries         list all notaries
+   list-clients          list all verified clients
+   check-client-datacap  check verified client remaining bytes
+   check-notary-datacap  check a notary's remaining bytes
+   help, h               Shows a list of commands or help for one command
 
 OPTIONS:
    --help, -h     show help (default: false)
@@ -1183,13 +1183,13 @@ OPTIONS:
    
 ```
 
-### lotus filplus check-notaries-datacap
+### lotus filplus check-notary-datacap
 ```
 NAME:
-   lotus filplus check-notaries-datacap - check notaries remaining bytes
+   lotus filplus check-notary-datacap - check a notary's remaining bytes
 
 USAGE:
-   lotus filplus check-notaries-datacap [command options] [arguments...]
+   lotus filplus check-notary-datacap [command options] [arguments...]
 
 OPTIONS:
    --help, -h  show help (default: false)