diff --git a/README.md b/README.md
index 08d68cd196..791bcb8ad6 100644
--- a/README.md
+++ b/README.md
@@ -354,7 +354,7 @@ so up to 2 `vmstorage` nodes can be lost without data loss. The minimum number o
 the remaining 3 `vmstorage` nodes could provide the `-replicationFactor=3` for newly ingested data.
 
 When the replication is enabled, `-replicationFactor=N` and `-dedup.minScrapeInterval=1ms` command-line flag must be passed to `vmselect` nodes.
-The `-replicationFactor=N` improves query performance when a part of vmstorage nodes respond slowly and/or temporarily unavailable.
+The `-replicationFactor=N` improves query performance when a part of vmstorage nodes respond slowly and/or temporarily unavailable. Sometimes `-replicationFactor` at `vmselect` nodes shouldn't be set. See [this issues](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1207) for details.
 The `-dedup.minScrapeInterval=1ms` de-duplicates replicated data during queries. It is OK if `-dedup.minScrapeInterval` exceeds 1ms
 when [deduplication](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#deduplication) is used additionally to replication.
 
diff --git a/docs/Cluster-VictoriaMetrics.md b/docs/Cluster-VictoriaMetrics.md
index 5b47bd65b7..0368eb35be 100644
--- a/docs/Cluster-VictoriaMetrics.md
+++ b/docs/Cluster-VictoriaMetrics.md
@@ -358,7 +358,7 @@ so up to 2 `vmstorage` nodes can be lost without data loss. The minimum number o
 the remaining 3 `vmstorage` nodes could provide the `-replicationFactor=3` for newly ingested data.
 
 When the replication is enabled, `-replicationFactor=N` and `-dedup.minScrapeInterval=1ms` command-line flag must be passed to `vmselect` nodes.
-The `-replicationFactor=N` improves query performance when a part of vmstorage nodes respond slowly and/or temporarily unavailable.
+The `-replicationFactor=N` improves query performance when a part of vmstorage nodes respond slowly and/or temporarily unavailable. Sometimes `-replicationFactor` at `vmselect` nodes shouldn't be set. See [this issues](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1207) for details.
 The `-dedup.minScrapeInterval=1ms` de-duplicates replicated data during queries. It is OK if `-dedup.minScrapeInterval` exceeds 1ms
 when [deduplication](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#deduplication) is used additionally to replication.