diff --git a/README.md b/README.md
index 567b26b..a369d01 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,20 @@ volumes:
 
 By default, Docker Swarm will restart stopped containers automatically, even when manually stopped. If you plan to have your containers / services stopped during backup, this means you need to apply the `on-failure` restart policy to your service's definitions. A restart policy of `always` is not compatible with this tool.
 
+---
+
+When running in Swarm mode, it's also advised to set a hard memory limit on your service (~25MB should be enough in that case):
+
+```yml
+services:
+  backup:
+    image: offen/docker-volume-backup:latest
+    deployment:
+      resources:
+        limits:
+          memory: 25M
+```
+
 ## Manually triggering a backup
 
 You can manually trigger a backup run outside of the defined cron schedule by executing the `backup` command inside the container: