diff --git a/in/public/web/nginx/serve.rst b/in/public/web/nginx/serve.rst
index 443eeec..ed8a2b2 100644
--- a/in/public/web/nginx/serve.rst
+++ b/in/public/web/nginx/serve.rst
@@ -1,10 +1,9 @@
-*****
 Serve
-*****
+=====
 
 * /etc/nginx/sites-available/…
 
-.. code::
+::
 
     server {
         listen 80;
@@ -35,3 +34,14 @@ Serve
         }
     }
 
+Redirect http to https
+----------------------
+
+::
+
+ server {
+ listen 80 default_server;
+ listen [::]:80 default_server;
+ server_name _;
+ return 301 https://${host}${request_uri};
+ }