In the linked example for the tutorial, I see there is a "gRPC" label for the links inside the two region groups, however, I am not seeing that label show up an

In the linked example for the tutorial, I see there is a "gRPC" label for the links inside the two region groups, however, I am not seeing that label show up anywhere on the diagram. Is that expected behavior? Other than that, very promising project and the vi keybindings are a nice touch.