Fix sponsor link in README.md

Author: anthonyphysgun

README.md

@@ -25,7 +25,7 @@ Stop settling for less. Make game servers a first class citizen on your platform
 ## Sponsors
 
 I would like to extend my sincere thanks to the following sponsors for helping fund Pterodactyl's development.
-[Interested in becoming a sponsor?](https://github.com/sponsors/matthewpi)
+[Interested in becoming a sponsor?](https://github.com/sponsors/pterodactyl)
 
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