diff --git a/README.md b/README.md
index 0c2323c..c4656ab 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ This project sets up a VaultWarden instance with Tailscale VPN integration using
 
 - Docker and Docker Compose installed on your system
 - A Tailscale account and auth key (get one from https://login.tailscale.com/admin/authkeys)
+- HTTPS Certificates enabled in the DNS tab of Tailscale admin page
 - Basic understanding of Docker and networking concepts
 
 ## Project Structure