revised README

README.md

@@ -4,7 +4,11 @@
 [![Coverage Status](https://coveralls.io/repos/mwittig/pimatic-plugin-commons/badge.svg?branch=master&service=github)](https://coveralls.io/github/mwittig/pimatic-plugin-commons?branch=master)
 [![Dependency Status](https://david-dm.org/mwittig/pimatic-plugin-commons.svg)](https://david-dm.org/mwittig/pimatic-plugin-commons)
 
-Common helper functions for pimatic plugins. For API documentation, see 
+Common helper functions for pimatic plugins. 
+
+## API
+
+For API documentation, see 
 [API.md](https://github.com/mwittig/pimatic-plugin-commons/blob/master/API.md).
 
 ## History
@@ -19,7 +23,7 @@ The work on periodic timers has been inspired by Andrew Duthie's blog post
 
 ## License
 
-Copyright (c) 2016-2017, Marcus Wittig and contributors
+Copyright (c) 2016-2018, Marcus Wittig and contributors
 
 All rights reserved.