diff --git a/cmd/thanos/tools_bucket.go b/cmd/thanos/tools_bucket.go
index d3492dc5f24..1dbacdae7e9 100644
--- a/cmd/thanos/tools_bucket.go
+++ b/cmd/thanos/tools_bucket.go
@@ -423,7 +423,7 @@ func registerBucketReplicate(m map[string]setupFunc, root *kingpin.CmdClause, na
 	cmd := root.Command("replicate", fmt.Sprintf("Replicate data from one object storage to another. NOTE: Currently it works only with Thanos blocks (%v has to have Thanos metadata).", block.MetaFilename))
 	httpBindAddr, httpGracePeriod := regHTTPFlags(cmd)
 	toObjStoreConfig := regCommonObjStoreFlags(cmd, "-to", false, "The object storage which replicate data to.")
-	resolutions := cmd.Flag("resolution", "Only blocks with this resolution will be replicated. (Resolution in ms)").Default(strconv.FormatInt(downsample.ResLevel0, 10)).HintAction(listResLevel).Int64List()
+	resolutions := cmd.Flag("resolution", "Only blocks with those resolutions will be replicated. (Resolution in ms). Repeated flag.").Default(strconv.FormatInt(downsample.ResLevel0, 10)).HintAction(listResLevel).Int64List()
 	compactions := cmd.Flag("compaction", "Only blocks with those compaction levels will be replicated. Repeated flag.").Default("1").Ints()
 	matcherStrs := cmd.Flag("matcher", "Only blocks whose external labels exactly match this matcher will be replicated.").PlaceHolder("key=\"value\"").Strings()
 	singleRun := cmd.Flag("single-run", "Run replication only one time, then exit.").Default("false").Bool()