diff --git a/README.md b/README.md
index 75bb232..e8891e8 100644
--- a/README.md
+++ b/README.md
@@ -817,7 +817,10 @@ model must not waste context on:
 8. Appends the `INGEST | <slug>` entry to `wiki/log.md` (the model name comes from the
    orchestrator via `INGEST_MODEL` — the agent cannot reliably know its own tag)
 9. Runs scoped lint on exactly the pages touched this run (`scoped-lint.sh`, reusing
-   `lib/lint.sh`)
+   `lib/lint.sh`), including a **duplicate-slug advisory**: a slug created this run that is
+   highly similar to an entity/concept already in `wiki/index.md` is flagged in the PR so a
+   human can merge them. It is advisory only — it never fails the lint or blocks the PR
+   (threshold tunable via `KG_DUP_THRESHOLD`, default 70)
 10. Commits **only `wiki/`** on `feat/ai-ingest-<slug>` and opens a PR against the integration
     base (`INGEST_BASE`, default `main`); the body matches the `templates/pr-description.md`
     structure (Summary / Pages / Contradictions / Scoped Lint)