diff --git a/docs/keyConcepts.md b/docs/keyConcepts.md
index 89c5430fe..117d62693 100644
--- a/docs/keyConcepts.md
+++ b/docs/keyConcepts.md
@@ -327,6 +327,7 @@ for data ingestion (aka `push protocols`):
 
 * [Prometheus remote write API](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#prometheus-setup).
 * [Prometheus text exposition format](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-import-data-in-prometheus-exposition-format).
+* [DataDog protocol](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-send-data-from-datadog-agent).
 * [InfluxDB line protocol](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf)
   over HTTP, TCP and UDP.
 * [Graphite plaintext protocol](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-send-data-from-graphite-compatible-agents-such-as-statsd)
@@ -335,7 +336,6 @@ for data ingestion (aka `push protocols`):
 * [HTTP OpenTSDB /api/put requests](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#sending-opentsdb-data-via-http-apiput-requests).
 * [JSON line format](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-import-data-in-json-line-format).
 * [Arbitrary CSV data](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-import-csv-data).
-* [Native binary format](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#how-to-import-data-in-native-format).
 
 All the protocols are fully compatible with VictoriaMetrics [data model](#data-model) and can be used in production.
 We recommend using the [github.com/VictoriaMetrics/metrics](https://github.com/VictoriaMetrics/metrics) package