Update README.md

Author: loicgreffier

README.md

@@ -33,4 +33,6 @@ The full article on processing error handling in Kafka Streams is available on t
 
 ## Current London 2025
 
-Processing Error Handling (KIP-1033) has been presented at [Current London 2025](https://current.confluent.io/london/agenda). Slides are available [here](.readme/Slides_Processing_Exception_Handling.pptx).
+Processing Error Handling (KIP-1033) has been presented at [Current London 2025](https://current.confluent.io/london/agenda):
+- Slides are available [here](.readme/Slides_Processing_Exception_Handling.pptx).
+- Replay is available [online](https://current.confluent.io/post-conference-videos-2025/processing-exception-handling-and-dead-letter-queue-in-kafka-streams-lnd25).