diff --git a/docs/architecture/c4-diagrams.md b/docs/architecture/c4-diagrams.md
index ca2281df..a272c01c 100644
--- a/docs/architecture/c4-diagrams.md
+++ b/docs/architecture/c4-diagrams.md
@@ -456,7 +456,7 @@ C4Component
         Component(aktivitaeten, "/aktivitaeten", "SvelteKit Route", "Unified activity feed (Chronik). Loader: GET /api/dashboard/activity and GET /api/notifications?read=false.")
         Component(geschichten, "/geschichten and /geschichten/[id]", "SvelteKit Routes", "Story list and detail pages. Loader: GET /api/geschichten?status=PUBLISHED.")
         Component(geschichtenEdit, "/geschichten/[id]/edit and /geschichten/new", "SvelteKit Routes", "Story editor with rich text, person and document linking. Actions: PUT/POST /api/geschichten. Requires BLOG_WRITE permission.")
-        Component(stammbaum, "/stammbaum", "SvelteKit Route", "Family tree visualisation. Loader: GET /api/network (nodes + edges). Renders interactive D3-based Stammbaum.")
+        Component(stammbaum, "/stammbaum", "SvelteKit Route", "Family tree visualisation. Loader: GET /api/network (nodes + edges). Renders interactive family tree from network graph data.")
         Component(profilePage, "/profile", "SvelteKit Route", "Current user profile settings. Loader: GET /api/users/me/notification-preferences. Actions: update name/password and notification preferences.")
         Component(userProfile, "/users/[id]", "SvelteKit Route", "Public user profile view. Loader: GET /api/users/{id}.")
     }