diff --git a/README.md b/README.md
index 3c61560..273fea4 100644
--- a/README.md
+++ b/README.md
@@ -623,7 +623,7 @@ run.** Gitea populates no `changes` field for a title-or-body edit, unlike
 GitHub, so the workflow cannot tell the edit that un-drafts a PR from an
 ordinary body PATCH — a closing-reference fix-up, say. The price is around
 **90 seconds** of a runner shared across four repos on two capacity slots: the
-last twelve non-skipped runs of this job, `run_started_at` to `updated_at` off
+last twelve non-skipped runs of this job, `started_at` to `completed_at` off
 the Actions API, are 83 s median over 77–106 s. `timeout-minutes: 20` is a
 ceiling for a hung suite, not a duration. It is also bounded: the workflow's
 `concurrency:` block groups `pull_request` runs on `github.ref` with