diff --git a/website/WIKI_UPGRADE.md b/website/WIKI_UPGRADE.md
index e66e0a4..91d55f1 100644
--- a/website/WIKI_UPGRADE.md
+++ b/website/WIKI_UPGRADE.md
@@ -321,11 +321,16 @@ phase if preferred). Do not merge a phase that hasn't been verified.
 - Implementation note: links are plain anchors to `/wiki/<slug>` (the WYSIWYG fits
   this better than `[[ ]]` syntax); the sanitizer also allows `data-wiki-slug`.
 
-### Phase 4 — Discovery & trust
+### Phase 4 — Discovery & trust ✅
 - FULLTEXT search (public search box + admin filter); revision history list /
   diff / restore.
 - **Exit check**: search returns expected pages; edit a page twice, diff the
   revisions, restore an older one, confirm a new revision is recorded.
+- **Verified** (2026-06-27): `?q=` natural-language search matches on both body
+  (`recipes`→crafting) and title (`monsters`); the public search box and admin
+  filter both work. A page edited twice produced 3 revisions; the History modal
+  shows a word-level diff (added vs removed) of an old revision against current;
+  restoring reverted the page and appended a "Restored from revision #N" entry.
 
 ### Verification (every phase)
 Use the preview workflow, not manual hand-off: start the dev server, exercise the