Fix changelog

Author: JonRowe

Changelog.md

@@ -18,6 +18,12 @@ Enhancements:
 * Add support for running the Rake task in a clean environment.
   (Jon Rowe, #2632)
 
+Bug Fixes:
+
+* Fix `config.define_derived_metadata` so that it supports cascades and
+  is not triggered until metadata has been assigned to the example or
+  example group (Myron Marston, #2630, #2635).
+
 ### 3.8.1 / 2019-06-13
 [Full Changelog](http://github.com/rspec/rspec-core/compare/v3.8.0...v3.8.1)
 
@@ -28,9 +34,6 @@ Bug Fixes:
 * When defining `let` methods that overwrite an existing method, prevent
   a warning being issued by removing the old definition. (Jon Rowe, #2593)
 * Prevent warning on Ruby 2.6.0-rc1 (Keiji Yoshimi, #2582)
-* Fix `config.define_derived_metadata` so that it supports cascades and
-  is not triggered until metadata has been assigned to the example or
-  example group (Myron Marston, #2630, #2635).
 
 ### 3.8.0 / 2018-08-04
 [Full Changelog](http://github.com/rspec/rspec-core/compare/v3.7.1...v3.8.0)