Update readme.md

Author: mbrg

readme.md

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 # Power Pwn
 
 [![SecTor 23](https://img.shields.io/badge/SecTor-23-red)](https://www.blackhat.com/sector/2023/arsenal/schedule/index.html#entraid-guest-to-corp-data-dump-with-powerpwn-36105)
-[![Black Hat](https://img.shields.io/badge/Black%20Hat%20Arsenal-USA%202023-blue)](https://www.toolswatch.org)
+[![Black Hat](https://img.shields.io/badge/Black%20Hat-USA%202023-blue)](https://www.toolswatch.org)
 [![DEFCON30](https://img.shields.io/badge/DEFCON-30-8A2BE2)](https://forum.defcon.org/node/241932)
 
 [![stars](https://img.shields.io/github/stars/mbrg/power-pwn?icon=github&style=social)](https://github.com/mbrg/power-pwn)