diff --git a/examples/grpc-client/README.md b/examples/grpc-client/README.md
index 0c1f82c1fe6f64199c1691bde52a05fefaa1bfb3..bd39219b0da8ac19e895404510da911ca86a7cdd 100644
--- a/examples/grpc-client/README.md
+++ b/examples/grpc-client/README.md
@@ -55,7 +55,7 @@ Running the gRPC client will cause the following API calls to be made to the ser
 Run the following command to destroy all the credentials files that were created by the `cert-gen` script:
 
 ```
-./examples/grpc-client/cert-destory
+./examples/grpc-client/cert-destroy
 ```
 [api-proto]: ../../api/api.proto
 [client]: client.go
diff --git a/examples/grpc-client/client.go b/examples/grpc-client/client.go
index 073f1fb1126e93e8b34e54754c86be9fc3f0b95f..06ea97fadef83931bde02205c88caf49d2c11662 100644
--- a/examples/grpc-client/client.go
+++ b/examples/grpc-client/client.go
@@ -49,7 +49,7 @@ func main() {
 	flag.Parse()
 
 	if *clientCrt == "" || *caCrt == "" || *clientKey == "" {
-		log.Fatal("Please provide CA & client certificates and client key. Usage: ./client -ca_crt=<path ca.crt> -client_crt=<path client.crt> -client_key=<path client key>")
+		log.Fatal("Please provide CA & client certificates and client key. Usage: ./client --ca-crt=<path ca.crt> --client-crt=<path client.crt> --client-key=<path client key>")
 	}
 
 	client, err := newDexClient("127.0.0.1:5557", *caCrt, *clientCrt, *clientKey)