Clarify for timeouts for artifacts:when

doc/ci/yaml/index.md

@@ -974,7 +974,7 @@ failure.
 
 - `on_success` (default): Upload artifacts only when the job succeeds.
 - `on_failure`: Upload artifacts only when the job fails.
-- `always`: Always upload artifacts. For example, when
+- `always`: Always upload artifacts (except when jobs time out). For example, when
   [uploading artifacts](../unit_test_reports.md#viewing-junit-screenshots-on-gitlab)
   required to troubleshoot failing tests.