README.md in undercover-0.3.2 vs README.md in undercover-0.3.3

- old
+ new

@@ -10,11 +10,11 @@
 
 And like this, given that specs were added:
 
 ![screenshot success](docs/screenshot_success.png)
 
-[![Build Status](https://travis-ci.org/grodowski/undercover.svg?branch=master)](https://travis-ci.org/grodowski/undercover)
+[![Build Status](https://action-badges.now.sh/grodowski/undercover)](https://github.com/grodowski/undercover/actions)
 [![Maintainability](https://api.codeclimate.com/v1/badges/b403feed68a18c072ec5/maintainability)](https://codeclimate.com/github/grodowski/undercover/maintainability)
 [![codebeat badge](https://codebeat.co/badges/be548247-2421-4448-bdab-896d13eb02e9)](https://codebeat.co/projects/github-com-grodowski-undercover-master)
 
 ## Installation
 
@@ -78,9 +78,11 @@
 - [Travis CI](docs/travis.yml)
 - [CircleCI - simple](docs/circleci_config.yml)
 - [CircleCI - advanced](docs/circleci_advanced.yml)
 - [Semaphore](docs/semaphore.yml)
 - [Codeship](docs/codeship.md)
+
+Merging coverage results ([sample gist](https://gist.github.com/grodowski/9744ff91034dce8df20c2a8210409fb0)) is required for parallel tests before processing with `undercover`.
 
 ## Configuration
 
 ### CLI Options
 