[Improvement]: Pull Requests are a type of issues #16150 (#55851)

Author: am-stead

content/rest/pulls/pulls.md

@@ -16,7 +16,7 @@ autogenerated: rest
 
 You can list, view, edit, create, and merge pull requests using the REST API. For information about how to interact with comments on a pull request, see [AUTOTITLE](/rest/issues/comments).
 
-Pull requests are a type of issue. Any actions that are available in both pull requests and issues, like managing assignees, labels, and milestones, are provided by the REST API to manage issues. For more information, see [AUTOTITLE](/rest/issues).
+Pull requests are a type of issue. Any actions that are available in both pull requests and issues, like managing assignees, labels, and milestones, are handled by the REST API to manage issues. To perform these actions on pull requests, you must use the issues API endpoints (for example, `/repos/{owner}/{repo}/issues/{issue_number}`), not the pull requests endpoints. For more information, see [AUTOTITLE](/rest/issues).
 
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