diff --git a/README.md b/README.md
index 61785502c..f2d405cc1 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,13 @@ Wait for the greeting message on the STD, then send EPP/TCP frame:
   <clTRID>sample1trid</clTRID>
 </command></epp>
 ```
+
+Testing
+---
+For feature testing PhantomJS is used.
+
+* (Download)[https://bitbucket.org/ariya/phantomjs/downloads/] the correct binary for your OS
+* Move the binary to `/usr/local/bin`
 * Before running tests for the first time: `rake db:seed`
 * Run tests: `rake`
 * Run EPP tests: `rake test:epp`