More items for the changelog

changelog.md

@@ -10,8 +10,12 @@ Changelog
   ESM is the future, so we're dropping CommonJS.
 * Now requires Node 18.
 * Upgraded to Typescript 5.3.
-* Using Typescript 5 decorators, which means experimentalDecorators (the
-  old-style decorators) are no longer needed.
+* Using Typescript 5 decorators, which means `experimentalDecorators` (the
+  old-style decorators) are no longer needed. If you are upgrading from an
+  older version, you should remove `experimentalDecorators`.
+* Decorators/Annotations for which the method can not be determined (either
+  because the method is not a well-known http method and there is no `@method`
+  annotation), we will now only warn and not crash.
 
 
 0.5.0 (2023-02-14)