diff --git a/ansible/roles/deploy_container_mailarchive/defaults/main.yml b/ansible/roles/deploy_container_mailarchive/defaults/main.yml
index 5f6a527..7ac9aa7 100644
--- a/ansible/roles/deploy_container_mailarchive/defaults/main.yml
+++ b/ansible/roles/deploy_container_mailarchive/defaults/main.yml
@@ -1,4 +1,4 @@
-container_mailarchive_version: latest
+container_mailarchive_version: latest # https://hub.docker.com/r/s1t5/mailarchiver/tags
 container_mailarchive_domain: mailarchive.example.com
 container_mailarchive_postgres_version: 17-alpine
 container_mailarchive_postgres_user: postgres_user