diff --git a/docs/community/release-notes.md b/docs/community/release-notes.md
index c981b9ac9..ce2b30259 100644
--- a/docs/community/release-notes.md
+++ b/docs/community/release-notes.md
@@ -177,6 +177,8 @@ Date: 28th September 2020
 * Don't strict disallow redundant `SerializerMethodField` field name arguments.
 * Don't render extra actions in browable API if not authenticated.
 * Strip null characters from search parameters.
+* Deprecate the `detail_route` decorator in favor of `action`, which accepts a `detail` bool. Use `@action(detail=True)` instead. [#6687]
+* Deprecate the `list_route` decorator in favor of `action`, which accepts a `detail` bool. Use `@action(detail=False)` instead. [#6687]
 
 ## 3.9.x series