update the changelog entry for product updates (#670)

* update changelog entry

* update

Author: SahilAujla

fern/changelog/2025-09-11.md

@@ -1,6 +1,6 @@
 ## Rollups
 
-* **OP Stack: Batcher v1.15.0 on all chains** — Upgraded all chains to the latest batcher with smoother, configurable sequencer throttling to better handle DA bottlenecks. New controllers (linear, quadratic, PID—default is quadratic) ramp throttling between lower/upper thresholds and now account for all pending data (open channels + pending blocks), reducing “all-or-nothing” slowdowns. High-throughput chains may want to tune the new throttle params.
+* **OP Stack: Batcher v1.15.0 on all chains** — Upgraded all chains to the latest batcher with smoother, configurable sequencer throttling to better handle DA bottlenecks.
 
 ## Developer Experience