README.md in cxeed-0.3.6 vs README.md in cxeed-0.3.7

- old
+ new

@@ -5,9 +5,11 @@
 ## Installation
 
 install chrome driver
 
     $ brew install chromedriver
+    or
+    $ brew cask install chromedriver
 
 
 install it yourself as:
 
     $ gem install cxeed