adjusted basecamp's success story details

Author: azzenabidi

en/documentation/success-stories/index.md

@@ -45,10 +45,9 @@ you’ll find a small sample of real world usage of Ruby.
 
 #### Web Applications
 
-* [Basecamp][9], a web-based project management application developed by
-  [Basecamp][10] (previously known as [37signals][11]), is programmed entirely in Ruby.
+* [Basecamp][9], a web-based project management application, is programmed entirely in Ruby.
 
-* [A List Apart][12], a magazine for people who make websites that has
+* [A List Apart][10], a magazine for people who make websites that has
   been around since 1997, has recently been revamped and uses a custom
   application built with Ruby on Rails.
 
@@ -73,9 +72,7 @@ you’ll find a small sample of real world usage of Ruby.
 [4]: https://www.uhn.ca/TorontoRehab
 [8]: http://www.level3.com/
 [9]: https://www.basecamp.com
-[10]: http://www.basecamp.com
-[11]: https://www.inc.com/magazine/201403/jason-fried/basecamp-focus-one-product-only.html
-[12]: http://www.alistapart.com
+[10]: http://www.alistapart.com
 
 [metasploit]: http://www.metasploit.com
 [rapid7]: http://www.rapid7.com