diff --git a/docker/docker-compose.override.yaml.example b/docker/docker-compose.override.yaml.example
index 21d6e203..01690df8 100644
--- a/docker/docker-compose.override.yaml.example
+++ b/docker/docker-compose.override.yaml.example
@@ -15,8 +15,10 @@ services:
       # - ./data/chatmail-dkimkeys:/etc/dkimkeys
       # - ./data/chatmail-acme:/var/lib/acme
 
-      ## Or mount mail storage from an existing bare-metal install:
+      ## Or mount data from an existing bare-metal install:
       # - /home/vmail:/home/vmail
+      # - /etc/dkimkeys:/etc/dkimkeys
+      # - /var/lib/acme:/var/lib/acme
 
       ## Mount your own chatmail.ini (skips auto-generation):
       # - ./chatmail.ini:/etc/chatmail/chatmail.ini