diff --git a/.gitea/workflows/checks.yml b/.gitea/workflows/checks.yml
index 42fbcc8..3ddf4a2 100644
--- a/.gitea/workflows/checks.yml
+++ b/.gitea/workflows/checks.yml
@@ -64,3 +64,4 @@ jobs:
       - name: Q99 clean up
         if: always()
         run: rm -rf "$WS" || true
+# probe D3 - third push; does the WAITING run 564 survive under cancel-in-progress: false?