Change readme file

README.md

@@ -192,10 +192,15 @@ class Manager {
 
 extension Manager: BitcoinKitDelegate {
 
-    public func transactionsUpdated(bitcoinKit: BitcoinKit, inserted: [TransactionInfo], updated: [TransactionInfo], deleted: [Int]) {
+    public func transactionsUpdated(bitcoinKit: BitcoinKit, inserted: [TransactionInfo], updated: [TransactionInfo]) {
 		// do something with transactions
     }
 
+public func transactionsDeleted(hashes: [String]) {
+    // do something with transactions
+    }
+
+
     public func balanceUpdated(bitcoinKit: BitcoinKit, balance: Int) {
 		// do something with balance
     }
@@ -215,6 +220,11 @@ extension Manager: BitcoinKitDelegate {
 
 }
 ```
+Listener events are run in a dedicated background thread. It can be switched to main thread by setting the  ```delegateQueue``` property to ```DispatchQueue.main```
+
+```swift
+bitcoinKit.delegateQueue = DispatchQueue.main
+```
 
 ## Prerequisites