Update legal-sign-off.mdx (#644)

Author: shell1

docs/workflow/implementing/risk-mitigation/legal-sign-off/legal-sign-off.mdx

@@ -7,7 +7,7 @@ sidebar_position: 3
 If Legal Review shows as Required, the answer to one of the Risk questions determined legal review will help mitigate a risk.  Please write legal-product@mozilla.com and explain what you want to do, to how many people (% of population and channel), and the potential outcomes.   In your conversation with Legal, you may determine a [Legal Bug](https://bugzilla.mozilla.org/enter_bug.cgi?product=Legal&component=Product%20-%20data) is needed.
 
 Legal review is advised anytime an experiment:
-1. Involves AI in any way.
+1. Involves AI in any way (e.g. ML or Chatbot).
 2. Involves adding advertising to any new areas/uses.
 3. Involves a partner in any way - including promoting their content (like an add-on), involving a 3rd party back-end service (even if not exposed to the user directly).
 4. could impact a partner, an outside company, or substantively impact partner revenue. Note: some partnerships and new negotiations are not widely disclosed inside MoCo, so there may be partnerships that you are not aware of.