diff --git a/README.md b/README.md
index 80de938..3540f14 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ Tested with Ubuntu 22.10 (from Proxmox templates), actually its consuming 100mb
 - only *failover mode* is supported by team-green (see *high availability* in official user guide)
 - make sure you're using same configuration on each node
 - use same `instance.private.pem` and `instance.private.key` on each node
+- add `cronjob` on each node with `curl -X GET --insecure https://localhost/-/ha/replicate`
 
 If you want to use *real* HA, you should use a proxy in front of this service and use a clustered database in backend.
 This is not documented and supported by me, but it *can* work. Please ask the community for help.