diff --git a/specification/metrics/semantic_conventions/system-metrics.md b/specification/metrics/semantic_conventions/system-metrics.md index f9f6cb77c..685e04761 100644 --- a/specification/metrics/semantic_conventions/system-metrics.md +++ b/specification/metrics/semantic_conventions/system-metrics.md @@ -148,7 +148,7 @@ perf counter (similar for Writes) | system.network.io.receive | Bytes received | By | Counter | Int64 | device | (identifier) | | system.network.connections | | {connections} | UpDownCounter | Int64 | device | (identifier) | | | | | | | protocol | tcp, udp, [etc.](https://en.wikipedia.org/wiki/Transport_layer#Protocols) | -| | | | | | state | [e.g. for tcp](https://en.wikipedia.org/wiki/Transmission_Control_Protocol#Protocol_operation) | +| | | | | | state | If specified, SHOULD be one of: close, close_wait, closing, delete, established, fin_wait_1, fin_wait_2, last_ack, listen, syn_recv, syn_sent, time_wait. A stateless protocol MUST NOT set this attribute. | 1 Measured as: