diff --git a/docs/images/docker-calibre.md b/docs/images/docker-calibre.md
index 919f2815d0..1020c9536d 100644
--- a/docs/images/docker-calibre.md
+++ b/docs/images/docker-calibre.md
@@ -478,6 +478,8 @@ To help with development, we generate this dependency graph.
       svc-pulseaudio -> svc-selkies
       svc-xorg -> svc-selkies
       svc-selkies -> legacy-services
+      init-services -> svc-watchdog
+      svc-watchdog -> legacy-services
       init-services -> svc-xorg
       svc-xorg -> legacy-services
       init-services -> svc-xsettingsd