README.md in pdfjs_viewer-rails-0.3.1 vs README.md in pdfjs_viewer-rails-0.3.2

- old
+ new

@@ -145,13 +145,13 @@
 ## Development
 
 Tests can be executed with:
 
 ```
-$ bundle exec rake
+$ bin/rake
 ```
 
-This will render the sample.pdf using phantomjs and save screenshots into `test/sandbox`.
+This will render the sample.pdf using headless chrome and save screenshots into `test/sandbox`.
 
 ## License
 
 pdfjs_viewer-rails is released under the [MIT License](http://www.opensource.org/licenses/MIT).