diff --git a/README.md b/README.md
index 4532cf9..405b3fa 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,13 @@ IrusAnalytics is a gem that provides a simple way to send analytics to the IRUS-
 
 More information about IRUS-UK can be found at [http://www.irus.mimas.ac.uk/](http://www.irus.mimas.ac.uk/). In summary the IRUS-UK service is designed to provide article-level usage statistics, both for Investigations (views) and Requests (downloads), for Institutional Repositories.  To sign up and use IRUS-UK, please see the above link. 
 
-This gem was developed for use with a Hydra repository [http://projecthydra.org/](http://projecthydra.org/), but it can be used with any other web application supporting Ruby gems. 
+This gem was developed for use with a Hyrax repository [http://samvera.org/](http://samvera.org/), but it can be used with any other web application supporting Ruby gems. 
 
 ## Build Status
 ![Build Status](https://api.travis-ci.org/uohull/irus_analytics.png?branch=master)
+## Prerequisite
+
+Blacklight OAI Provider
 
 ## Installation
 
@@ -238,4 +241,4 @@ To start the resque background job for this gem use
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
-5. Create a new Pull Request
\ No newline at end of file
+5. Create a new Pull Request