18f link has been republished

Maybe having an archived link is better than the main one, except we use the main links everywhere else.

Closes #11

Related to 18F/18f.gsa.gov#3558 and 18F/18f.gsa.gov#3562

sources.md

@@ -10,7 +10,7 @@ image: /static/img/books.jpg
 If you want to learn more about using gender-neutral language, check out these resources.
 {:.lead}
 
-- [Hacking inclusion: How we customized a bot to gently correct people who use the word 'guys'](https://web.archive.org/web/20170903230255/https://18f.gsa.gov/2016/01/12/hacking-inclusion-by-customizing-a-slack-bot/), Maya Benari, 18F.
+- [Hacking inclusion: How we customized a bot to gently correct people who use the word 'guys'](https://18f.gsa.gov/2016/01/12/hacking-inclusion-by-customizing-a-slack-bot/), Maya Benari, 18F.
 - [Male Programmer Privilege Checklist](https://geekfeminism.wikia.com/wiki/Male_Programmer_Privilege_Checklist), Geek Feminism Wiki.
 - [Why I’m finally convinced it's time to stop saying "you guys"](https://www.vox.com/2015/6/11/8761227/you-guys-sexism-language), Jenée Desmond-Harris, Jun 2015.
 - [Guys. Please Don't](https://blog.doismellburning.co.uk/guys-please-dont/)