Update README.md

Add link to polyfractal's GitHub profile.

README.md

@@ -18,7 +18,7 @@ Let us know if you are interested in starting a [chapter](https://github.com/pap
 See the complete list of [past presentations](https://github.com/papers-we-love/papers-we-love/wiki/Past-Presentations) or check out our Youtube [channel](http://www.youtube.com/user/PapersWeLove)
 
 ## Search this Repo!
-@polyfractal indexed this repository with Elastic Search. Find papers [here](http://findpaperswelove.com)!
+[@polyfractal](https://github.com/polyfractal) indexed this repository with Elastic Search. Find papers [here](http://findpaperswelove.com)!
 
 
 ## Info