diff --git a/docs/architecture/c4-diagrams.md b/docs/architecture/c4-diagrams.md
index 188eb7a2..92e7b4df 100644
--- a/docs/architecture/c4-diagrams.md
+++ b/docs/architecture/c4-diagrams.md
@@ -412,7 +412,7 @@ C4Component
         Component(docDetail, "/documents/[id]", "SvelteKit Route", "Loader: GET /api/documents/{id}. Page: metadata panel, inline file viewer, transcription editor, annotation layer, and comment thread.")
         Component(docEdit, "/documents/[id]/edit", "SvelteKit Route", "Edit form with PersonTypeahead, TagInput, date/location fields. Form action: PUT /api/documents/{id}.")
         Component(docNew, "/documents/new", "SvelteKit Route", "Upload form for a new document. Loader: GET /api/persons. Form action: POST /api/documents with multipart file.")
-        Component(docBulkEdit, "/documents/bulk-edit", "SvelteKit Route", "Multi-document metadata editor. Loader: GET /api/documents/incomplete. Requires WRITE_ALL (redirects otherwise). Action: PATCH /api/documents/batch.")
+        Component(docBulkEdit, "/documents/bulk-edit", "SvelteKit Route", "Multi-document metadata editor. Loader: GET /api/documents/incomplete. Requires WRITE_ALL (redirects otherwise). Action: PATCH /api/documents/bulk.")
         Component(enrichPage, "/enrich/[id]", "SvelteKit Route", "Guided enrichment workflow. Loader: GET /api/documents/{id}. Progressively saves annotations and transcription blocks.")
 
         Component(apiPersons, "/api/persons (SvelteKit API)", "SvelteKit Server Route", "Proxies GET /api/persons?q=... to backend for PersonTypeahead suggestions.")