README.md in isotree-0.1.0 vs README.md in isotree-0.1.1

@@ -1,11 +1,13 @@
 # IsoTree
 
-:evergreen_tree: [IsoTree](https://github.com/david-cortes/isotree) - outlier/anomaly detection for using Isolation Forest - for Ruby
+:evergreen_tree: [IsoTree](https://github.com/david-cortes/isotree) - outlier/anomaly detection using Isolation Forest - for Ruby
 
 Learn how [Isolation Forest](https://www.youtube.com/watch?v=RyFQXQf4w4w) works
 
+[![Build Status](https://travis-ci.org/ankane/isotree.svg?branch=master)](https://travis-ci.org/ankane/isotree)
+
 ## Installation
 
 Add this line to your application’s Gemfile:
 
 ```ruby
@@ -84,9 +86,14 @@
 ```sh
 brew install libomp
 ```
 
 Then reinstall the gem.
+
+```sh
+gem uninstall isotree --force
+bundle install
+```
 
 ## History
 
 View the [changelog](https://github.com/ankane/isotree/blob/master/CHANGELOG.md)