diff --git a/docs/images/docker-joplin.md b/docs/images/docker-joplin.md
index 64c490fe17..94de9080bd 100644
--- a/docs/images/docker-joplin.md
+++ b/docs/images/docker-joplin.md
@@ -488,6 +488,8 @@ 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