diff --git a/docs/architecture/c4-diagrams.md b/docs/architecture/c4-diagrams.md
index 6467998d..49b2edd5 100644
--- a/docs/architecture/c4-diagrams.md
+++ b/docs/architecture/c4-diagrams.md
@@ -415,7 +415,7 @@ C4Component
     Rel(docDetail, backend, "GET /api/documents/{id}, GET /api/documents/{id}/file", "HTTP / JSON + Binary")
     Rel(docEdit, backend, "PUT /api/documents/{id}", "HTTP / Multipart")
     Rel(docNew, backend, "GET /api/persons, POST /api/documents", "HTTP / JSON + Multipart")
-    Rel(docBulkEdit, backend, "GET /api/documents/incomplete, PATCH /api/documents/batch", "HTTP / JSON")
+    Rel(docBulkEdit, backend, "GET /api/documents/incomplete, PATCH /api/documents/bulk", "HTTP / JSON")
     Rel(enrichPage, backend, "GET/POST /api/transcription, POST /api/documents/{id}/annotations", "HTTP / JSON")
     Rel(homePage, typeahead, "Uses for sender/receiver filter", "")
     Rel(docEdit, typeahead, "Uses for sender/receiver selection", "")