Update README.md (#185)

README.md

@@ -104,7 +104,9 @@ Simple enough. The `newHelloer` function returns a new actor. The actor is a str
 Lets look at the `Receive` method.
 
 ```go
-type message struct {}
+type message struct {
+	data string
+}
 
 func (h *helloer) Receive(ctx *actor.Context) {
 	switch msg := ctx.Message().(type) {
@@ -135,7 +137,7 @@ Local messages can be of any type.
 Finally, lets send a message to the actor.
 
 ```go
-engine.Send(pid, "hello world!")
+engine.Send(pid, &message{data: "hello, world!"})
 ```
 
 This will send a message to the actor. Hollywood will route the message to the correct actor. The actor will then print