diff --git a/docs/images/docker-firefox.md b/docs/images/docker-firefox.md
index 7a88472674..fb20dd6582 100755
--- a/docs/images/docker-firefox.md
+++ b/docs/images/docker-firefox.md
@@ -500,6 +500,8 @@ 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