Update 'README.md'

README.md

@@ -1,5 +1,8 @@
-SmsSenderBundle
-===============
+[![No Maintenance Intended](http://unmaintained.tech/badge.svg)](http://unmaintained.tech/)
+
+This project is not maintained in any way. Feel free to clone and modify to your own likes, but expect no work on it from my side.
+
+# SmsSenderBundle
 
 This bundle integrates with [gergelypolonkai/smssender](https://github.com/gergelypolonkai/smssender) to send SMS messages through
 [gergelypolonkai/smsgateway](https://github.com/gergelypolonkai/smsgateway).
@@ -44,7 +47,7 @@ In YML format, the possibilities are:
 
 ## Usage
 
-Everything is done via the gergely\_polonkai\_sms\_sender.sender service.
+Everything is done via the `gergely_polonkai_sms_sender.sender` service:
 
     $sender = $container->get('gergely_polonkai_sms_sender.sender');
     $sender->login();