diff --git a/Set-up-http-proxy-server.md b/Set-up-http-proxy-server.md
index c238d4a..e4307d5 100644
--- a/Set-up-http-proxy-server.md
+++ b/Set-up-http-proxy-server.md
@@ -93,9 +93,9 @@ Here you can ask `chatgpt` if you see some error.
 
 https://rustdesk.com/docs/en/self-host/client-configuration/advanced-settings/#proxy-url
 
-# Https server
+# Https proxy server
 
-You can hide `Tinyproxy` behind `NGINX`. But I have never tested.
+You can hide `Tinyproxy` behind `NGINX`, but there seems some bugs, https://github.com/tinyproxy/tinyproxy/issues/399