diff --git a/NOTICE b/NOTICE
index 1e1dfb8..eb700c9 100644
--- a/NOTICE
+++ b/NOTICE
@@ -7,7 +7,10 @@ wijzer reaches format and behavior parity with OpenWiki
 LangChain, Inc.). The wiki output format, the `.last-update.json` state schema,
 the update no-op / churn-prevention algorithm, the content-snapshot approach,
 the prompt disciplines, and the structure of the test suite are adapted from
-that project. wijzer is an independent reimplementation as a Claude Code plugin
-and ships none of OpenWiki's source; it carries this notice in gratitude and to
+that project. wijzer is an independent reimplementation as a Claude Code plugin;
+none of OpenWiki's source runs in its runtime (skills + dependency-free bash).
+For parity verification it vendors a pinned snapshot of a few OpenWiki source
+files and one test under `vendor/openwiki/` (see PROVENANCE.md there), used only
+by wijzer's dev/CI test suite. It carries this notice in gratitude and to
 document lineage. The upstream commit validated against is recorded in
 PARITY.md.
diff --git a/README.md b/README.md
index 639c6b0..5e61fa0 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,9 @@ re-validation procedure in [PARITY.md](PARITY.md)).
 
 ## License & lineage
 
-MIT. wijzer is an independent reimplementation and ships none of OpenWiki's
-source; the wiki format, state schema, update algorithm, prompt disciplines, and
-test structure are adapted from OpenWiki (MIT, © LangChain, Inc.) — see the
+MIT. wijzer is an independent reimplementation; none of OpenWiki's source runs in
+its runtime (skills + bash). The wiki format, state schema, update algorithm,
+prompt disciplines, and test structure are adapted from OpenWiki (MIT, © LangChain,
+Inc.), and a pinned snapshot of a few OpenWiki files is vendored under
+[vendor/openwiki/](vendor/openwiki/) for dev/CI parity verification — see the
 attribution in [NOTICE](NOTICE).