diff --git a/README.md b/README.md
index f0a185e..97b3c53 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Get metadata for the specified chaincode name
   -k, --key string
         private key file
   -m, --mspid string
-        private key file, e.g. Org1MSP
+        membership service provider name, e.g. Org1MSP
   -p, --connection string
         connection profile file
   -n, --channel string
diff --git a/cmd/ccmetadata/main.go b/cmd/ccmetadata/main.go
index 531454e..acee270 100644
--- a/cmd/ccmetadata/main.go
+++ b/cmd/ccmetadata/main.go
@@ -20,7 +20,7 @@ func usage() {
 
 	fmt.Fprintf(os.Stderr, "  -c, --cert string\n        certificate file\n")
 	fmt.Fprintf(os.Stderr, "  -k, --key string\n        private key file\n")
-	fmt.Fprintf(os.Stderr, "  -m, --mspid string\n        private key file, e.g. Org1MSP\n")
+	fmt.Fprintf(os.Stderr, "  -m, --mspid string\n        membership service provider name, e.g. Org1MSP\n")
 	fmt.Fprintf(os.Stderr, "  -p, --connection string\n        connection profile file\n")
 	fmt.Fprintf(os.Stderr, "  -n, --channel string\n        channel name, e.g. mychannel\n")
 	fmt.Fprintf(os.Stderr, "  -l, --aslocalhost\n        use discovery service as localhost\n")
@@ -42,8 +42,8 @@ func main() {
 	flag.StringVar(&certPath, "c", "", "certificate file")
 	flag.StringVar(&keyPath, "key", "", "private key file")
 	flag.StringVar(&keyPath, "k", "", "private key file")
-	flag.StringVar(&mspid, "mspid", "", "private key file, e.g. Org1MSP")
-	flag.StringVar(&mspid, "m", "", "private key file, e.g. Org1MSP")
+	flag.StringVar(&mspid, "mspid", "", "membership service provider name, e.g. Org1MSP")
+	flag.StringVar(&mspid, "m", "", "membership service provider name, e.g. Org1MSP")
 	flag.StringVar(&ccpPath, "connection", "", "connection profile file")
 	flag.StringVar(&ccpPath, "p", "", "connection profile file")
 	flag.StringVar(&channelName, "channel", "", "channel name, e.g. mychannel")