Update 2022/hacker-summer-camp-readme.md

2022/hacker-summer-camp-readme.md

@@ -10,7 +10,7 @@ The main events:
 - [Black Hat USA](https://www.blackhat.com/) August 6-11, 2022
 - [BSidesLV](https://www.bsideslv.org/) Tue Aug 9-10 
 - [Diana Initiative](https://www.dianainitiative.org/) Wed Aug 10-11
-- [DEF CON](https://defcon.org/) Thu Aug 11-13 
+- [DEF CON](https://defcon.org/) Thu Aug 11-14 
   - [DEF CON Villages](https://hackervillages.org/)
 - [h@cktivitycon is a HackerOne hosted hacker conference](https://www.hackerone.com/hacktivitycon)
 - [DC Furs](https://2022.dcfurs.com/)