diff --git a/enterprise/quick-start.mdx b/enterprise/quick-start.mdx
index ac0fd073..b554560d 100644
--- a/enterprise/quick-start.mdx
+++ b/enterprise/quick-start.mdx
@@ -126,8 +126,10 @@ You will need a VM to host OpenHands Enterprise. Choose one of the options below
     | `runtime-api.<your-domain>` | `runtime-api.openhands.example.com` |
     | `*.runtime.<your-domain>` | `*.runtime.openhands.example.com` |
 
-    **Obtain a TLS certificate** with SANs (Subject Alternative Names) for all of the above domains,
-    then copy the certificate (`.pem` or `.crt`) and private key (`.pem` or `.key`) to the VM.
+    **Obtain a TLS certificate signed by a well-known certificate authority (CA) such as Let's Encrypt**, with SANs
+    (Subject Alternative Names) for all of the above domains, then copy the certificate
+    (`.pem` or `.crt`) and private key (`.pem` or `.key`) to the VM. Self-signed certificates
+    are not supported for the OpenHands application.
 
     <Warning>
       If you don't provide TLS certificates during installation, the Admin Console will use a