fixing minikube driver config screen text (#110)

Author: psschwei

pkg/minikube/minikube.go

@@ -148,7 +148,7 @@ func createNewCluster() error {
 	fmt.Println("☸ Creating Minikube cluster...")
 	fmt.Println("\nBy default, using the standard minikube driver for your system")
 	fmt.Println("If you wish to use a different driver, please configure minikube using")
-	fmt.Println("    minikube config set --driver <your-driver>")
+	fmt.Println("    minikube config set driver <your-driver>")
 
 	// create cluster and wait until ready
 	createCluster := exec.Command("minikube", "start", "--cpus", "3", "--profile", clusterName, "--wait", "all")