Added fixed entry for filtering and sorting examples

Author: andystevensname

src/content/changelog/2019-10-07-api.md

@@ -40,4 +40,6 @@ Some heuristics for which heading to put API reference updates under:
 
 ### Changed
 
-### Fixed
+### Fixed
+
+* Fixed a formatting error that prevented the [filtering and sorting](https://developers.linode.com/api/v4/#filtering-and-sorting) examples within the API documentation from correctly working as presented.