README.md in nsrr-0.1.0.rc vs README.md in nsrr-0.1.0.rc2

- old
+ new

@@ -1,10 +1,10 @@
 # NSRR Ruby Gem
 
 [![Build Status](https://travis-ci.org/nsrr/nsrr-gem.svg?branch=master)](https://travis-ci.org/nsrr/nsrr-gem)
 [![Dependency Status](https://gemnasium.com/nsrr/nsrr-gem.svg)](https://gemnasium.com/nsrr/nsrr-gem)
-[![Code Climate](https://codeclimate.com/github/nsrr/nsrr-gem.png)](https://codeclimate.com/github/nsrr/nsrr-gem)
+[![Code Climate](https://codeclimate.com/github/nsrr/nsrr-gem/badges/gpa.svg)](https://codeclimate.com/github/nsrr/nsrr-gem)
 
 The official ruby gem built to simplify file downloads and dataset integration tasks for the [National Sleep Research Resource](https://sleepdata.org).
 
 ## Prerequisites
 
@@ -16,11 +16,11 @@
 
 ## Installation
 
 Install it yourself as:
 
-    $ gem install nsrr --pre --no-ri --no-rdoc
+    $ gem install nsrr --no-ri --no-rdoc
 
 Or add this line to your application's Gemfile:
 
     gem 'nsrr'
 
@@ -165,9 +165,17 @@
     Interrupted
 
 Finished in 2.384734 seconds.
 
 1 folder created, 0 files downloaded, 0 MiBs downloaded, 2 files skipped, 0 files failed
+```
+
+### Update the NSRR gem
+
+To make sure you're using the latest stable version of the NSRR gem, you can run the following command:
+
+```
+nsrr update
 ```
 
 ### Show the version of the NSRR gem
 
 ```