Update README.md

Author: leftshift

README.md

@@ -1,6 +1,9 @@
 # python_mvg_departures
 
-Yet another library for fetching MVG departures.
-It uses the new JSON api of mvg.de
+A library for fetching departures, routes and service interruptions from Munich Transport Authority MVG, using the newer JSON-api on mvg.de
 
+## Get it on pypi:
+`pip install mvg-api`
+
+## Documentation
 [Read the Documentation](http://python-mvg-departures.readthedocs.io/en/latest/?)