Clarify scoping for automatic code review

Added information about scoping automatic code review to specific repositories.

Author: practical-dreamer

content/copilot/concepts/agents/code-review.md

@@ -53,14 +53,16 @@ The second policy has these characteristics:
 
 * It is disabled by default.
 * Once this policy is set it at the enterprise level, it becomes **visible, but not editable** at the organization level.
-* The policy is **most restrictive**. {% data variables.copilot.copilot_code-review_short %} is only available in repositories where you explicitly enable the policy.
+* The policy is **most restrictive**.
 
 ### How it works for users without a license
 
 When both policies are enabled, users without a {% data variables.product.prodname_copilot_short %} license can request a review from {% data variables.copilot.copilot_code-review_short %} on their pull requests in the organization's repositories.
 
 In repositories where automatic code review is enabled, {% data variables.product.prodname_copilot_short %} automatically reviews all pull requests. This happens regardless of whether the author has a {% data variables.product.prodname_copilot_short %} license.
 
+You can scope automatic code review to specific repositories by configuring repository or organization rulesets.
+
 {% data variables.copilot.copilot_code-review_short %} for users without a license is not available in IDEs.
 
 ## Excluded files