diff --git a/README.md b/README.md
index 98b177f..beb73df 100644
--- a/README.md
+++ b/README.md
@@ -208,3 +208,6 @@ Key writing expectations include:
 See `repo-registry.yml` for the authoritative in-scope repo list.
 
 See `component-registry.yml` for which components and repos inform each page.
+
+<!-- synthetic out-of-scope test edit; will be removed after review -->
+