fixups from code review

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 0.7 (Unreleased)
 
 IMPROVEMENTS:
+ * api: Metrics endpoint exposes Prometheus formatted metrics [GH-3171]
  * telemetry: Add support for tagged metrics for Nomad clients [GH-3147]
 
 BUG FIXES:
@@ -15,7 +16,7 @@ BUG FIXES:
  * cli: Sort task groups when displaying a deployment [GH-3137]
  * cli: Handle reading files that are in a symlinked directory [GH-3164]
  * cli: All status commands handle even UUID prefixes with hyphens [GH-3122]
- * cli: Fix autocompletion of paths that include directories on zsh [GH-3129] 
+ * cli: Fix autocompletion of paths that include directories on zsh [GH-3129]
  * cli: Fix job deployment -latest handling of jobs without deployments
    [GH-3166]
  * cli: Hide CLI commands not expected to be run by user from autocomplete

command/agent/config-test-fixtures/basic.hcl

@@ -92,7 +92,7 @@ acl {
 telemetry {
 	statsite_address = "127.0.0.1:1234"
 	statsd_address = "127.0.0.1:2345"
-  prometheus_metrics = true
+	prometheus_metrics = true
 	disable_hostname = true
     collection_interval = "3s"
     publish_allocation_metrics = true

website/source/docs/agent/configuration/telemetry.html.md

@@ -116,12 +116,10 @@ telemetry {
 
 ### `prometheus`
 
-These `telemetry` parameters apply to
-[Prometheus](https://prometheus.io).
+These `telemetry` parameters apply to [Prometheus](https://prometheus.io).
 
 - `prometheus_metrics` `(bool: false)` - Specifies whether the agent should
-  initialize a PrometheusSink, where metrics will be reachable via the metrics
-  path `/v1/netrics?format=prometheus`.
+  make Prometheus formatted metrics available at `/v1/metrics?format=prometheus`.
 
 ### `circonus`