diff --git a/docs/pages/includes/metrics.mdx b/docs/pages/includes/metrics.mdx
index 9fce18b948458..d1a64ba4bf241 100644
--- a/docs/pages/includes/metrics.mdx
+++ b/docs/pages/includes/metrics.mdx
@@ -46,7 +46,7 @@
 | `grpc_server_handled_total`                              | counter   | Teleport Auth       | Total number of RPCs completed on the server, regardless of success or failure.                    |
 | `grpc_server_msg_received_total`                         | counter   | Teleport Auth       | Total number of RPC stream messages received on the server.                                        |
 | `grpc_server_msg_sent_total`                             | counter   | Teleport Auth       | Total number of gRPC stream messages sent by the server.                                           |
-| `heartbeat_connections_received_total`                   | counter   | Teleport Auth       | Number of times the Auth Service received a heartbeat connection.                                  |
+| `heartbeat_connections_received_total`                   | counter   | Teleport Auth       | Number of times the Auth Service received a heartbeat connection, representing total heart beating Agents. |
 | `s3_requests_total`                                      | counter   | Amazon S3           | Total number of requests to the S3 API.                                                            |
 | `s3_requests`                                            | counter   | Amazon S3           | Total number of requests to the S3 API grouped by result.                                          |
 | `s3_requests_seconds`                                    | histogram | Amazon S3           | Request latency for the S3 API.                                                                    |