diff --git a/docs/guide-proxy-configuration.md b/docs/guide-proxy-configuration.md
index 37155fd16..072b8c238 100644
--- a/docs/guide-proxy-configuration.md
+++ b/docs/guide-proxy-configuration.md
@@ -7,4 +7,6 @@ order: 20
 Online projects only
 
 If your server is behind a proxy, it can be configured under Advanced -> Settings,
-![](img/proxy.png)
\ No newline at end of file
+![](img/proxy.png)
+
+**Hint:** the URL must **not contain https://** -> just enter name or IP