diff --git a/CHANGELOG.md b/CHANGELOG.md
index f146fc64ca2..41bd540da7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,13 @@ release.
 
 ### SDK Configuration
 
+- Declarative configuration: clarify default behavior and validation
+  requirements of `create` and `parse`.
+  ([#4780](https://github.com/open-telemetry/opentelemetry-specification/pull/4780))
+- Declarative configuration: add optional programmatic customization to
+  `create`, and add related supplemental guidelines.
+  ([#4777](https://github.com/open-telemetry/opentelemetry-specification/pull/4777))
+
 ### Common
 
 ### Supplementary Guidelines
@@ -65,9 +72,6 @@ release.
 
 - Clarifies that guidance related to boolean environment variables is not applicable
   to other configuration interfaces. ([#4723](https://github.com/open-telemetry/opentelemetry-specification/pull/4723))
-- Declarative configuration: add optional programmatic customization to
-  `create`, and add related supplemental guidelines.
-  ([#4777](https://github.com/open-telemetry/opentelemetry-specification/pull/4777))
 
 ## v1.51.0 (2025-11-17)