diff --git a/FAQ.md b/FAQ.md
index 33b4b81..353ecb1 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -44,4 +44,8 @@ Aphrodite has switched to .NET Core and a new webserver.  It requires the follow
 proxy_http_version 1.1;
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Connection $http_connection;
-```
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+```
+
+Make sure you **do not** include `proxy_set_header Connection "Upgrade";` as suggested by the nginx documentation.  **THIS WILL NOT WORK**
+
+See https://github.com/aspnet/AspNetCore/issues/17081
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