diff --git a/README.md b/README.md
index 045fe9aa7..b2a61c22b 100644
--- a/README.md
+++ b/README.md
@@ -1764,7 +1764,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
   -promscrape.cluster.membersCount int
      The number of members in a cluster of scrapers. Each member must have an unique -promscrape.cluster.memberNum in the range 0 ... promscrape.cluster.membersCount-1 . Each member then scrapes roughly 1/N of all the targets. By default cluster scraping is disabled, i.e. a single scraper scrapes all the targets
   -promscrape.cluster.replicationFactor int
-     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
+     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
   -promscrape.config string
      Optional path to Prometheus config file with 'scrape_configs' section containing targets to scrape. The path can point to local file and to http url. See https://docs.victoriametrics.com/#how-to-scrape-prometheus-exporters-such-as-node-exporter for details
   -promscrape.config.dryRun
diff --git a/app/vmagent/README.md b/app/vmagent/README.md
index 395e57beb..55038b71f 100644
--- a/app/vmagent/README.md
+++ b/app/vmagent/README.md
@@ -846,7 +846,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
   -promscrape.cluster.membersCount int
      The number of members in a cluster of scrapers. Each member must have an unique -promscrape.cluster.memberNum in the range 0 ... promscrape.cluster.membersCount-1 . Each member then scrapes roughly 1/N of all the targets. By default cluster scraping is disabled, i.e. a single scraper scrapes all the targets
   -promscrape.cluster.replicationFactor int
-     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
+     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
   -promscrape.config string
      Optional path to Prometheus config file with 'scrape_configs' section containing targets to scrape. The path can point to local file and to http url. See https://docs.victoriametrics.com/#how-to-scrape-prometheus-exporters-such-as-node-exporter for details
   -promscrape.config.dryRun
diff --git a/docs/README.md b/docs/README.md
index 045fe9aa7..b2a61c22b 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1764,7 +1764,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
   -promscrape.cluster.membersCount int
      The number of members in a cluster of scrapers. Each member must have an unique -promscrape.cluster.memberNum in the range 0 ... promscrape.cluster.membersCount-1 . Each member then scrapes roughly 1/N of all the targets. By default cluster scraping is disabled, i.e. a single scraper scrapes all the targets
   -promscrape.cluster.replicationFactor int
-     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
+     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
   -promscrape.config string
      Optional path to Prometheus config file with 'scrape_configs' section containing targets to scrape. The path can point to local file and to http url. See https://docs.victoriametrics.com/#how-to-scrape-prometheus-exporters-such-as-node-exporter for details
   -promscrape.config.dryRun
diff --git a/docs/Single-server-VictoriaMetrics.md b/docs/Single-server-VictoriaMetrics.md
index c718f5db3..1d356d5d1 100644
--- a/docs/Single-server-VictoriaMetrics.md
+++ b/docs/Single-server-VictoriaMetrics.md
@@ -1768,7 +1768,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
   -promscrape.cluster.membersCount int
      The number of members in a cluster of scrapers. Each member must have an unique -promscrape.cluster.memberNum in the range 0 ... promscrape.cluster.membersCount-1 . Each member then scrapes roughly 1/N of all the targets. By default cluster scraping is disabled, i.e. a single scraper scrapes all the targets
   -promscrape.cluster.replicationFactor int
-     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
+     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
   -promscrape.config string
      Optional path to Prometheus config file with 'scrape_configs' section containing targets to scrape. The path can point to local file and to http url. See https://docs.victoriametrics.com/#how-to-scrape-prometheus-exporters-such-as-node-exporter for details
   -promscrape.config.dryRun
diff --git a/docs/vmagent.md b/docs/vmagent.md
index b5931fb03..21deb827d 100644
--- a/docs/vmagent.md
+++ b/docs/vmagent.md
@@ -850,7 +850,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
   -promscrape.cluster.membersCount int
      The number of members in a cluster of scrapers. Each member must have an unique -promscrape.cluster.memberNum in the range 0 ... promscrape.cluster.membersCount-1 . Each member then scrapes roughly 1/N of all the targets. By default cluster scraping is disabled, i.e. a single scraper scrapes all the targets
   -promscrape.cluster.replicationFactor int
-     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
+     The number of members in the cluster, which scrape the same targets. If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication (default 1)
   -promscrape.config string
      Optional path to Prometheus config file with 'scrape_configs' section containing targets to scrape. The path can point to local file and to http url. See https://docs.victoriametrics.com/#how-to-scrape-prometheus-exporters-such-as-node-exporter for details
   -promscrape.config.dryRun
diff --git a/lib/promscrape/config.go b/lib/promscrape/config.go
index 55385a64e..bea401b87 100644
--- a/lib/promscrape/config.go
+++ b/lib/promscrape/config.go
@@ -55,7 +55,7 @@ var (
 		"It must be an unique value in the range 0 ... promscrape.cluster.membersCount-1 across scrapers in the cluster. "+
 		"Can be specified as pod name of Kubernetes StatefulSet - pod-name-Num, where Num is a numeric part of pod name")
 	clusterReplicationFactor = flag.Int("promscrape.cluster.replicationFactor", 1, "The number of members in the cluster, which scrape the same targets. "+
-		"If the replication factor is greater than 2, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication")
+		"If the replication factor is greater than 1, then the deduplication must be enabled at remote storage side. See https://docs.victoriametrics.com/#deduplication")
 )
 
 var clusterMemberID int