diff --git a/README.md b/README.md
index d387b73..c6b038e 100644
--- a/README.md
+++ b/README.md
@@ -335,6 +335,7 @@ proxy_set_header Connection $proxy_connection;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
+proxy_set_header X-Forwarded-Host $proxy_x_forwarded_host;
 proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
 proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;