diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ed63b7335..234ca1e710 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -84,3 +84,6 @@ release.
   ([#55](https://github.com/open-telemetry/semantic-conventions/pull/55))
 - Split out sections for proposed stable JVM metrics and experimental JVM metrics.
   ([#56](https://github.com/open-telemetry/semantic-conventions/pull/56))
+- Limit `http.request.method` values to a closed set of known values,
+  introduce `http.request.method_original` for the original value.
+  ([#17](https://github.com/open-telemetry/opentelemetry-specification/pull/17))
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