Fix link

Author: davidkonigsberg

fern/products/docs/pages/api-references/customize-api-ref.mdx

@@ -9,7 +9,7 @@ When you [include an API in your `docs.yml` file](/learn/docs/api-references/gen
 If you are using an OpenAPI Specification, sections are created based on the `tags` property, converted to `lowerCamelCase` convention (e.g., createUser). If you are using a Fern Definition, sections are created based on the [`service`](/learn/api-definition/fern/endpoints#service-definition) file names.
 </Note>
 
-If you would like to only display a subset of endpoints, read more about the Audiences property for [OpenAPI Specifications](/learn/api-definition/openapi/audiences) or [Fern Definitions](/learn/api-definition/fern/audiences).
+If you would like to only display a subset of endpoints, read more about the Audiences property for [OpenAPI Specifications](/learn/api-definitions/openapi/extensions/audiences) or [Fern Definitions](/learn/api-definition/fern/audiences).
 
 ## Ordering the API Reference