From 430039cb5ab16c5378cb4b0dd2d15ee55518fe81 Mon Sep 17 00:00:00 2001
From: Markus Meyer <m.meyer@mytaxi.com>
Date: Wed, 15 May 2024 13:54:33 +0200
Subject: [PATCH] Update docs

---
 docs/components/query-frontend.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/components/query-frontend.md b/docs/components/query-frontend.md
index 8025cdecc8d..de005aec2b9 100644
--- a/docs/components/query-frontend.md
+++ b/docs/components/query-frontend.md
@@ -157,6 +157,9 @@ Other cache configuration parameters, you can refer to [redis-index-cache](store
 
 Query Frontend supports `--query-frontend.log-queries-longer-than` flag to log queries running longer than some duration.
 
+The field `remote_user` can be read from an HTTP header, like `X-Grafana-User`,
+by setting `--query-frontend.slow-query-logs-user-header`.
+
 ## Naming
 
 Naming is hard :) Please check [here](https://github.com/thanos-io/thanos/pull/2434#discussion_r408300683) to see why we chose `query-frontend` as the name.