Updates README

README.rdoc

@@ -45,11 +45,11 @@ You can find rdocs at http://rubydoc.info/github/embedly/embedly-ruby/master/fra
   json_obj = JSON.pretty_generate(objs.collect{|o| o.marshal_dump})
   puts json_obj
 
-  # call pro with key (you'll need a real key)
-  embedly_pro = Embedly::API.new :key => 'xxxxxxxxxxxxxxxxxxxxxxxxxx',
+  # call api with key (you'll need a real key)
+  embedly_api = Embedly::API.new :key => 'xxxxxxxxxxxxxxxxxxxxxxxxxx',
           :user_agent => 'Mozilla/5.0 (compatible; mytestapp/1.0; my@email.com)'
   url = 'http://www.guardian.co.uk/media/2011/jan/21/andy-coulson-phone-hacking-statement'
-  obj = embedly_pro.preview :url => url
+  obj = embedly_api.preview :url => url
   puts JSON.pretty_generate(obj[0].marshal_dump)
 
 == Testing
@@ -58,7 +58,7 @@ You can find rdocs at http://rubydoc.info/github/embedly/embedly-ruby/master/fra
   rake rspec
   rake features # if it complains of missing deps install them
 
-Some tests will fail due to missing pro key.  Set the EMBEDLY_KEY environmental
+Some tests will fail due to missing api key.  Set the EMBEDLY_KEY environmental
 variable with your key to get them to pass.
 
   EMBEDLY_KEY=xxxxxxxxxxxxx rake features