Update modules/issue_tracker/test/issue_tracker_test_plan.md

Co-authored-by: christinerogers <christinerogers@users.noreply.github.com>

modules/issue_tracker/test/issue_tracker_test_plan.md

@@ -6,7 +6,7 @@ Issue Tracker Filter Form [Automation Testing]
 5. Test that the watching checkbox works correctly (issues that your userID is watching in issues_watching table)
 6. Check that links to issues in table are correct.
 7. Check that table sorts and displays additional pages correctly 
-8. Check that a user who does not have access_all_profiles permission and limited sites access (see __user_psc_rel__ table for user/CenterID relationships) can see all issues with a site set to NULL.
+8. Check that a user who does not have access_all_profiles permission and belongs to only one site can see all issues with a site set to NULL.
 
 Issue Tracker Create New Issue [Manual Testing]
 1. User can access the page if they have reporter permission