Update paper state in README.md

README.md

 CUBIC's window growth function and adds, based on RTT
 and ACK rate, congestion events.
 
-NOTE: A paper for TCP ROCCET is currently under review.
-Paper draft:
-            https://arxiv.org/abs/2510.25281
- 
-The oldest Linux kernel version we tested with ROCCET is 6.1.
+A peer-reviewed paper on TCP ROCCET will be presented at the WONS 2026 conference.
+A draft of the paper is available here:
+        https://arxiv.org/abs/2510.25281
+
 
 ## Setup