Update README.md

README.md

@@ -185,8 +185,8 @@ Client.GetReceivedMessagesCallback callback = new ESClient.GetReceivedMessagesCa
 					msgText = encounterForwardingMessage.getMsgText();
 					break;
 				case PRIVATE_MESSAGE:
-					MessageChannelMessage messageChannelMessage = msg.getMessageChannelMessage();
-					msgText = messageChannelMessage.getMsgText();
+					PrivateMessage privateMessage = msg.getPrivateMessage();
+					msgText = privateMessage.getMsgText();
 					break;
 				default: // skip non-messaging type messages used as metadata 
 					msgText = "";