update promise notes

6 years ago · 4d9300bb02
parent bbfe32211c
commit 4d9300bb02
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -45,7 +45,7 @@ rpc
 ## JsonRpc Options

 - `origin` - (Default: `*`) Origin to send messages
- `methods` - (Default: `{}`) An object of exposed methods
+- `methods` - (Default: `{}`) An object of exposed methods. Returning a Promise will defer responding until the promise has completed
 - `source` - The source EventTarget to mount JSON rpc on (`Window`, `MessagePort`, etc)
 - `destination` - Target MessageEventSource to send requests to