diff --git a/app/vmselect/main.go b/app/vmselect/main.go
index 4d8cc3aeab..86bcbdb3af 100644
--- a/app/vmselect/main.go
+++ b/app/vmselect/main.go
@@ -33,7 +33,7 @@ var (
 	minScrapeInterval = flag.Duration("dedup.minScrapeInterval", 0, "Remove superflouos samples from time series if they are located closer to each other than this duration. "+
 		"This may be useful for reducing overhead when multiple identically configured Prometheus instances write data to the same VictoriaMetrics. "+
 		"Deduplication is disabled if the -dedup.minScrapeInterval is 0")
-	resetCacheAuthKey = flag.String("search.resetCacheAuthKey", "", "Optional authKey for resetting rollup cache via /internal/resetCache call")
+	resetCacheAuthKey = flag.String("search.resetCacheAuthKey", "", "Optional authKey for resetting rollup cache via /internal/resetRollupResultCache call")
 	storageNodes      = flagutil.NewArray("storageNode", "Addresses of vmstorage nodes; usage: -storageNode=vmstorage-host1:8401 -storageNode=vmstorage-host2:8401")
 )