Modified credits in who.md

Author: veddox

who.md

@@ -2,7 +2,8 @@
 %
 %
 
-articulate-lisp.com is designed to fill a gap in the current (2012-2014) resources for getting started with Common Lisp. It's the work of
+articulate-lisp.com is designed to fill a gap in the current (2012-2015) 
+resources for getting started with Common Lisp. It's the work of
 one person (Paul Nathan) so far, and represents his best efforts and
 knowledge at this point in time.
 
@@ -11,14 +12,16 @@ mythical best practice, only what has worked for the author in the
 past.
 
 Feedback of all sorts will be gratefully welcomed. Contributions and
-bug reports should be done via the github location for maximum
+bug reports should be done via the Github location for maximum
 coordination.
 
 Happy hacking!
 
 
-*Credit*
+**Credit**
+
+* Some contributions by Daniel Vedder.
 
 * Analytics by [Quantcast](https://www.quantcast.com/), [MixPanel](http://mixpanel.com), and Google. 
 
-* Theme by [Twitter Bootstrap](http://twitter.github.com/bootstrap/)
+* Theme by [Twitter Bootstrap](http://twitter.github.com/bootstrap/).