diff --git a/CHANGES.md b/CHANGES.md
index 649bd2ed..1cc1773c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased] - TBD
 
+* add more openapi metadata in input models [#734](https://github.com/stac-utils/stac-fastapi/pull/734)
+
 ## [3.0.0b2] - 2024-07-09
 
 ### Changed