diff --git a/docs/guide-ssl-setup.md b/docs/guide-ssl-setup.md
index c45860ff1..dc71dd7b1 100644
--- a/docs/guide-ssl-setup.md
+++ b/docs/guide-ssl-setup.md
@@ -55,4 +55,5 @@ Add profile parameters:
 ```
 ssl/client_ciphersuites = 150:PFS:HIGH::EC_P256:EC_HIGH
 ssl/ciphersuites = 135:PFS:HIGH::EC_P256:EC_HIGH
+icm/HTTPS/client_sni_enabled = TRUE
 ```