Second spelling issue

Author: myared

citizen_code_of_conduct.md

@@ -79,7 +79,7 @@ This code of conduct and its related procedures also applies to unacceptable beh
 
 This Code of Conduct is distributed under a [Creative Commons Attribution-ShareAlike license](http://creativecommons.org/licenses/by-sa/3.0/). 
 
-Portions of text dervied from the [Django Code of Conduct](https://www.djangoproject.com/conduct/) and the [Geek Feminism Anti-Harassment Policy](http://geekfeminism.wikia.com/wiki/Conference_anti-harassment/Policy).
+Portions of text derived from the [Django Code of Conduct](https://www.djangoproject.com/conduct/) and the [Geek Feminism Anti-Harassment Policy](http://geekfeminism.wikia.com/wiki/Conference_anti-harassment/Policy).
 
 _Revision 2.1. Posted 23 June 2014._