diff --git a/docs/vmagent.md b/docs/vmagent.md
index 45a693a3e..74981aca8 100644
--- a/docs/vmagent.md
+++ b/docs/vmagent.md
@@ -567,6 +567,8 @@ and attaches `instance`, `job` and other target-specific labels to these metrics
 If the target exports metrics with names clashing with the automatically generated metric names, then `vmagent` automatically
 adds `exported_` prefix to these metric names, so they don't clash with automatically generated metric names.
 
+Relabeling defined in `relabel_configs` or `metric_relabel_configs` of scrape config isn't applied to automatically
+generated metrics. But they still can be relabeled via `-remoteWrite.relabelConfig` before sending metrics to remote address.
 
 ## Relabeling