diff --git a/watchtower/docker-compose.yml b/watchtower/docker-compose.yml
index 569ac87..8ce293d 100644
--- a/watchtower/docker-compose.yml
+++ b/watchtower/docker-compose.yml
@@ -1,5 +1,11 @@
+# https://linuxiac.com/watchtower-automatically-update-docker-container-images/
+
+services:
+  watchtower:
     image: containrrr/watchtower
     env_file: .env
+    mem_limit: 512m
+    restart: always
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
@@ -14,6 +20,4 @@
       WATCHTOWER_NOTIFICATION_EMAIL_SERVER: ${WATCHTOWER_NOTIFICATION_EMAIL_SERVER}
       WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT: ${WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT}
       WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER: ${WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER}
-      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD: ${WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD}
-    mem_limit: 512m
-    restart: unless-stopped   
+      WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD: ${WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD}
\ No newline at end of file