diff --git a/docs/api-guide/schemas.md b/docs/api-guide/schemas.md
index 836ad4b6a..8fa3c010c 100644
--- a/docs/api-guide/schemas.md
+++ b/docs/api-guide/schemas.md
@@ -572,6 +572,16 @@ Valid only if a `location="body"` field is included on the `Link`.
 A short description of the meaning and intended usage of the input field.
 
 
+---
+
+# Third party packages
+
+## DRF OpenAPI
+
+[DRF OpenAPI][drf-openapi] renders the schema generated by Django Rest Framework
+in [OpenAPI][open-api] format.
+
+
 [cite]: https://blog.heroku.com/archives/2014/1/8/json_schema_for_heroku_platform_api
 [coreapi]: http://www.coreapi.org/
 [corejson]: http://www.coreapi.org/specification/encoding/#core-json-encoding