diff --git a/Kobo-Integration.md b/Kobo-Integration.md
index 732dcc5..96ea6c9 100644
--- a/Kobo-Integration.md
+++ b/Kobo-Integration.md
@@ -97,4 +97,6 @@ It's also a good idea to activate the access log in your Calibre-Web instance to
 
 ## Additional hints
 
-The HTTP header using the kobo sync is quite large. With some reverse proxys in between the header can be too large to sync. In this case please increase the allowed max. header size in your proxy config.
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+The HTTP header using the kobo sync is quite large. With some reverse proxys in between the header can be too large to sync. In this case please increase the allowed max. header size in your proxy config.
+
+If you are using a reverse proxy you may have to change the `api_endpoint` link to `https://` instead of `http://` 
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