diff --git a/mods/sample-nginx-reverse-proxy.config b/mods/sample-nginx-reverse-proxy.config
index fbbbc48802..afc74dfc4a 100644
--- a/mods/sample-nginx-reverse-proxy.config
+++ b/mods/sample-nginx-reverse-proxy.config
@@ -6,6 +6,13 @@
 # Please refer to NGINX docs
 #
 
+# Note provided by Gabe R.: if you are using nginx as proxy server for Apache2
+# make sure your nginx config DOES NOT contain the following
+# -----
+# location ~ /.well-known {
+#  allow all;
+#  }
+# -----
 ...
 
 server {