Update CHANGELOG.md

Co-authored-by: Friedrich Gonzalez <1517449+friedrichg@users.noreply.github.com>
Signed-off-by: Sandy Chen <sandy19890604@gmail.com>

Author: sandy2008

CHANGELOG.md

@@ -37,7 +37,7 @@
 * [BUGFIX] Compactor: Fix stale `cortex_bucket_index_last_successful_update_timestamp_seconds` metric not being cleaned up when tenant ownership changes due to ring rebalancing. This caused false alarms on bucket index update rate when a tenant moved between compactors. #7485
 * [BUGFIX] Security: Fix stored XSS vulnerability in Alertmanager and Store Gateway status pages by replacing `text/template` with `html/template`. #7512
 * [BUGFIX] Security: Limit decompressed gzip output in `ParseProtoReader` and OTLP ingestion path. The decompressed body is now capped by `-distributor.otlp-max-recv-msg-size`. #7515
-* [BUGFIX] Ingester: Fix `panic: send on closed channel` in `ActiveQueriedSeriesService` on shutdown by removing the redundant channel close in `stopping()` and relying on `ctx.Done()` to signal worker exit. #7531
+* [BUGFIX] Ingester: Fix `panic: send on closed channel` in `ActiveQueriedSeriesService` on shutdown by removing the redundant channel close in `stopping()` and relying on `ctx.Done()` to signal worker exit. #7533
 
 ## 1.21.0 2026-04-24