diff --git a/docs/images/docker-ferdium.md b/docs/images/docker-ferdium.md
index e1d7a3b8d3..ea8f39eadc 100755
--- a/docs/images/docker-ferdium.md
+++ b/docs/images/docker-ferdium.md
@@ -489,6 +489,8 @@ 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