Improve metrics descriptions and naming

.changelog/unreleased/improvements/ibc-telemetry/2408-better-metrics-naming-and-description.md

@@ -0,0 +1,3 @@
+- Improved naming and description of some telemetry metrics and added
+  histogram buckets for `tx_latency` metrics.
+  ([#2408](https://github.com/informalsystems/ibc-rs/issues/2408))

config.toml

@@ -59,9 +59,10 @@ clear_on_start = true
 # (to any chain in this config file) have been successfully delivered.
 # If they have not been, and `clear_interval = 0`, then those packets are
 # queued up for re-submission.
-# Experimental feature. Affects telemetry if set to false.
-# [Default: true]
-tx_confirmation = true
+# Experimental feature. If set to false this will disable telemetry
+# `ibc_acknowledgment_packets`, `ibc_receive_packets` and `ibc_timeout_packets`.
+# [Default: false]
+tx_confirmation = false
 
 # The REST section defines parameters for Hermes' built-in RESTful API.
 # https://hermes.informal.systems/rest.html