Update README.md (#652)

Co-authored-by: Chris Hager <[email protected]>

Author: Ocheretovich

README.md

@@ -370,8 +370,8 @@ Block builders can opt into cancellations by submitting blocks to `/relay/v1/bui
 
 # Maintainers
 
-- [@metachris](https://twitter.com/metachris)
-- [@Ruteri](https://twitter.com/mmrosum)
+- [@metachris](https://x.com/metachris)
+- [@Ruteri](https://x.com/mmrosum)
 - [@avalonche](https://github.com/avalonche)
 
 # Contributing
@@ -390,7 +390,7 @@ If you find a security vulnerability on this project or any other initiative rel
 
 ## Audits
 
-- [20220822](docs/audit-20220822.md), by [lotusbumi](https://github.com/lotusbumi).
+- [20220822](https://github.com/flashbots/mev-boost-relay/blob/main/docs/docs/20220822-audit.md), by [lotusbumi](https://github.com/lotusbumi).
 
 # License