README.md in twitter-5.4.1 vs README.md in twitter-5.5.0

@@ -80,10 +80,17 @@
 
 [streaming]: https://dev.twitter.com/docs/streaming-apis
 [tweetstream]: http://rubygems.org/gems/tweetstream
 [bug]: https://github.com/tweetstream/tweetstream/issues/117
 
+Site Streams are restricted to whitelisted accounts. To apply for access,
+[follow the steps in the Site Streams documentation][site-streams]. [User
+Streams][user-streams] do not require prior approval.
+
+[site-streams]: https://dev.twitter.com/docs/streaming-apis/streams/site#Applying_for_access
+[user-streams]: https://dev.twitter.com/docs/streaming-apis/streams/user
+
 Unlike the rest of this library, this feature is not well tested and not
 recommended for production applications. That said, if you need to do Twitter
 streaming on Ruby 2.0.0, this is probably your best option. I've decided to
 ship it as an experimental feature and make it more robust over time. Patches
 in this area are particularly welcome.
@@ -575,9 +582,10 @@
 
 * Ruby 1.8.7
 * Ruby 1.9.2
 * Ruby 1.9.3
 * Ruby 2.0.0
+* Ruby 2.1.0
 
 If something doesn't work on one of these versions, it's a bug.
 
 This library may inadvertently work (or seem to work) on other Ruby versions,
 however support will only be provided for the versions listed above.