typo "derived"

same as stumpsyn@b96b4a7

Same typo is there:
http://citizencodeofconduct.org/

syndicate_code_of_conduct.md

@@ -79,7 +79,7 @@ This code of conduct and its related procedures also applies to unacceptable beh
 
 The Citizen Code of Conduct is distributed by [Stumptown Syndicate](http://stumptownsyndicate.org) 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 2.2. Posted 4 February 2016._