diff --git a/vaultwarden/README.md b/vaultwarden/README.md
index 5066aa2..70e3731 100644
--- a/vaultwarden/README.md
+++ b/vaultwarden/README.md
@@ -2,3 +2,7 @@
 
 - https://github.com/dani-garcia/vaultwarden
 - https://github.com/Bruceforce/vaultwarden-backup
+
+# Notes
+
+Disable open user registration after setting up your account. You can find the option as environment variable in the compose file.