diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 166e98d..e857ca6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,3 +55,4 @@ jobs:
           done
           test -x ./gitleaks
           ./gitleaks detect --source . --redact --no-banner
+# c3a probe: can the App merge a workflow-touching PR? (#834)