diff --git a/examples/grpc-client/README.md b/examples/grpc-client/README.md
index 0c1f82c1..bd39219b 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 073f1fb1..06ea97fa 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)