diff --git a/CHANGELOG.md b/CHANGELOG.md
index 329199c4..e77bb6d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,9 @@ We use [Break Versioning][breakver]. The version numbers follow a `<major>.<mino
   * New `:mime-types` option to configure a map from file extension to mime type
   * Don't set Content-Type header at all if mime type is not known
 * Fix location of openapi deprecated metadata [#714](https://github.com/metosin/reitit/pull/714)
+* **BREAKING** Fix & clarify `:responses :default` and `:content :default` handling. See [docs](./doc/ring/coercion.md). [#735](https://github.com/metosin/reitit/pull/735)
+  * Summary: If `:responses <status>` is present, `:responses :default` is not used, even if `:responses <status>` defines no schema.
+  * Should not break normal use, but might cause surprises related to defaults applying/not applying
 
 ## 0.8.0 (2025-03-28)