diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e39620c956..3e95ee70d0a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,7 +47,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#5990](https://github.com/thanos-io/thanos/pull/5990) Cache/Redis: add support for Redis Sentinel via new option `master_name`.
 - [#6008](https://github.com/thanos-io/thanos/pull/6008) *: Add counter metric `gate_queries_total` to gate.
 - [#5926](https://github.com/thanos-io/thanos/pull/5926) Receiver: Add experimental string interning in writer. Can be enabled with a hidden flag `--writer.intern`.
-- [#5773](https://github.com/thanos-io/thanos/pull/5773) Store: Support disabling cache index header file by setting `--disable-caching-index-header-file`. When toggled, Stores can run without needing persistent disks.
+- [#5773](https://github.com/thanos-io/thanos/pull/5773) Store: Support disabling cache index header file by setting `--no-cache-index-header`. When toggled, Stores can run without needing persistent disks.
 - [#5653](https://github.com/thanos-io/thanos/pull/5653) Receive: Allow setting hashing algorithm per tenant in hashrings config.
 - [#6074](https://github.com/thanos-io/thanos/pull/6074) *: Add histogram metrics `thanos_store_server_series_requested` and `thanos_store_server_chunks_requested` to all Stores.
 - [#6074](https://github.com/thanos-io/thanos/pull/6074) *: Allow configuring series and sample limits per `Series` request for all Stores.