Add missing word Map to tutorial_4.md (#28472)

This commit is contained in:
Jorge Cruz 2020-01-13 01:56:42 -08:00 committed by Johan Andrén
parent cdc45c128d
commit e55a9fcf89

View file

@ -85,7 +85,7 @@ A group actor has some work to do when it comes to registrations, including:
### Handling the registration request
A device group actor must either reply to the request with the `ActorRef` of an existing child, or it should create one. To look up child actors by their device IDs we will use a .
A device group actor must either reply to the request with the `ActorRef` of an existing child, or it should create one. To look up child actors by their device IDs we will use a `Map`.
Add the following to your source file: