Update release notes

docs/topics/release-notes.md

@@ -45,6 +45,7 @@ You can determine your currently installed version using `pip freeze`:
 * Added `trailing_slash` option to routers.
 * Include support for `HttpStreamingResponse`.
 * Support wider range of default serializer validation when used with custom model fields.
+* UTF-8 Support for browsable API descriptions.  
 * OAuth2 provider usez timezone aware datetimes when supported.
 * Bugfix: Return error correctly when OAuth non-existent consumer occurs. 
 * Bugfix: Allow `FileUploadParser` to correctly filename if provided as URL kwarg.