refactor: Added hint to applying governance task

chapter-5-examples/applying-governance/README.md

@@ -31,10 +31,12 @@ https://raw.githubusercontent.com/OAI/OAI-Courses/main/src/openapi-fundamentals/
 
 ## Task
 
-If you are tackling the task from Chapter 3 here are a few hints on building your rule:
+If you are tackling the task from the chapter _Using an OpenAPI document_ here are a few hints on building your rule:
 
-- You'll need to find everything in the OpenAPI description that looks like a Schema object.
-- You should filter for anything where `additionalProperties: false` is already set.
+- You'll need to find everything in the OpenAPI description that looks like a Schema Object with a `type` value of `object`.
+- You should filter for anything where `additionalProperties: false` is already set. As a hint, your JSON Path at this point should look something like this (but feel free to amend as required).
 - You should provide an appropriate error message to indicate the issue.
 
+As a hint your JSON Path will need to look something like this: `$..[?(@property == 'additionalProperties' && @ != false)]`
+
 Please visit the Spectral documentation [page](https://docs.stoplight.io/docs/spectral) for more detailed information on how Spectral works.