Update nginx-load-balancer.md https upstream on wrong block

versioned_docs/version-2.7/how-to-guides/new-user-guides/infrastructure-setup/nginx-load-balancer.md

@@ -56,15 +56,16 @@ After installing NGINX, you need to update the NGINX configuration file, `nginx.
             proxy_pass rancher_servers_http;
         }
 
+    }
+
+    http {
+
         upstream rancher_servers_https {
             least_conn;
             server <IP_NODE_1>:443 max_fails=3 fail_timeout=5s;
             server <IP_NODE_2>:443 max_fails=3 fail_timeout=5s;
             server <IP_NODE_3>:443 max_fails=3 fail_timeout=5s;
         }
-    }
-
-    http {
         server {
             listen 443 ssl;
             proxy_pass rancher_servers_https;