README.md in jsonapi-authorization-0.8.1 vs README.md in jsonapi-authorization-0.8.2

- old
+ new

@@ -16,9 +16,11 @@
 
 ## Caveats
 
 Make sure to test for authorization in your application, too. We should have coverage of all operations, though. If that isn't the case, please [open an issue][issues].
 
+If you're using custom processors, make sure that they extend `JSONAPI::Authorization::AuthorizingProcessor`, or authorization will not be performed for that resource.
+
 This gem should work out-of-the box for simple cases. The default authorizer might be overly restrictive for [more complex cases][complex-case].
 
 The API is subject to change between minor version bumps until we reach v1.0.0.
 
   [complex-case]: https://github.com/venuu/jsonapi-authorization/issues/15