Update README.md

README.md

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 OpenSearch widget for VuFind
 ============================
 
-This is just a rough proof-of-concept made during an [eod](https://books2ebooks.eu) hackathon back in 2011. Please do not use this in production, but merely as an inspiration!
+This is just a rough proof-of-concept made during an [eod](https://books2ebooks.eu) hackathon back in 2011. **Please do not use this in production, but merely as an inspiration!**
 
 Since the [eod](https://books2ebooks.eu) catalog is based on the popular [VuFind](https://vufind.org) library resource discovery system you can easily adapt this for other instances as well (or basically any other [OpenSearch](http://www.opensearch.org) interface). [VuFind is open source](https://github.com/vufind-org/vufind) and developed and maintained by [Villanova University's Falvey Memorial Library](https://www.library.villanova.edu/).
 
 Installation
 ------------
 
-- Adjust $eodOpenSearch in server/search.php according to your requirements.
-- Copy the server/* files to any webserver.
-- Adjust client/js/jquery.eod.js according to your requirements.
-- Add the client/js/* files to your website.
-- Take a look at client/index.html for integrating with your pages.
+- Adjust `$eodOpenSearch` in [server/search.php](server/search.php) according to your requirements.
+- Copy the `server/*` files to any webserver.
+- Adjust [client/js/jquery.eod.js](client/js/jquery.eod.js) according to your requirements.
+- Add the `client/js/*` files to your website.
+- Take a look at [client/index.html](client/index.html) for integrating with your pages.
 
 Ideas
 -----