diff --git a/README.md b/README.md
index c1d0f47e7..23cdc1e39 100644
--- a/README.md
+++ b/README.md
@@ -2439,6 +2439,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
      The maximum number of raw samples a single query can scan per each time series. This option allows limiting memory usage (default 30000000)
   -search.maxSeries int
      The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage (default 30000)
+  -search.maxSeriesPerAggrFunc int
+     The maximum number of time series an aggregate MetricsQL function can generate (default 1000000)
   -search.maxStalenessInterval duration
      The maximum interval for staleness calculations. By default it is automatically calculated from the median interval between samples. This flag could be useful for tuning Prometheus data model closer to Influx-style data model. See https://prometheus.io/docs/prometheus/latest/querying/basics/#staleness for details. See also '-search.setLookbackToStep' flag
   -search.maxStatusRequestDuration duration
diff --git a/docs/Cluster-VictoriaMetrics.md b/docs/Cluster-VictoriaMetrics.md
index 4fcbac798..74f2735b5 100644
--- a/docs/Cluster-VictoriaMetrics.md
+++ b/docs/Cluster-VictoriaMetrics.md
@@ -1162,6 +1162,8 @@ Below is the output for `/path/to/vmselect -help`:
      The maximum number of raw samples a single query can scan per each time series. See also -search.maxSamplesPerQuery (default 30000000)
   -search.maxSeries int
      The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage (default 30000)
+  -search.maxSeriesPerAggrFunc int
+     The maximum number of time series an aggregate MetricsQL function can generate (default 1000000)
   -search.maxStalenessInterval duration
      The maximum interval for staleness calculations. By default it is automatically calculated from the median interval between samples. This flag could be useful for tuning Prometheus data model closer to Influx-style data model. See https://prometheus.io/docs/prometheus/latest/querying/basics/#staleness for details. See also '-search.setLookbackToStep' flag
   -search.maxStatusRequestDuration duration
diff --git a/docs/README.md b/docs/README.md
index 632875f8a..c86ab500e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -2440,6 +2440,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
      The maximum number of raw samples a single query can scan per each time series. This option allows limiting memory usage (default 30000000)
   -search.maxSeries int
      The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage (default 30000)
+  -search.maxSeriesPerAggrFunc int
+     The maximum number of time series an aggregate MetricsQL function can generate (default 1000000)
   -search.maxStalenessInterval duration
      The maximum interval for staleness calculations. By default it is automatically calculated from the median interval between samples. This flag could be useful for tuning Prometheus data model closer to Influx-style data model. See https://prometheus.io/docs/prometheus/latest/querying/basics/#staleness for details. See also '-search.setLookbackToStep' flag
   -search.maxStatusRequestDuration duration
diff --git a/docs/Single-server-VictoriaMetrics.md b/docs/Single-server-VictoriaMetrics.md
index 28fbf2f3c..893a58a64 100644
--- a/docs/Single-server-VictoriaMetrics.md
+++ b/docs/Single-server-VictoriaMetrics.md
@@ -2443,6 +2443,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
      The maximum number of raw samples a single query can scan per each time series. This option allows limiting memory usage (default 30000000)
   -search.maxSeries int
      The maximum number of time series, which can be returned from /api/v1/series. This option allows limiting memory usage (default 30000)
+  -search.maxSeriesPerAggrFunc int
+     The maximum number of time series an aggregate MetricsQL function can generate (default 1000000)
   -search.maxStalenessInterval duration
      The maximum interval for staleness calculations. By default it is automatically calculated from the median interval between samples. This flag could be useful for tuning Prometheus data model closer to Influx-style data model. See https://prometheus.io/docs/prometheus/latest/querying/basics/#staleness for details. See also '-search.setLookbackToStep' flag
   -search.maxStatusRequestDuration duration