Update fix-resolved-request-options-headers.md

Author: mrlubos

.changeset/fix-resolved-request-options-headers.md

@@ -2,4 +2,4 @@
 "@hey-api/openapi-ts": patch
 ---
 
-**plugin(@hey-api/client-fetch)**: narrow `headers` to `Headers` in `ResolvedRequestOptions` so request interceptors can use `.set()`, `.get()`, etc. without casting
+**plugin(@hey-api/client-fetch)**: fix: narrow `headers` to `Headers` in `ResolvedRequestOptions`