fix docs for veneur-prometheus (#730)

stripe · Jun 20, 2019 · 3c3bc47 · 3c3bc47
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diff --git a/cmd/veneur-prometheus/README.md b/cmd/veneur-prometheus/README.md
@@ -26,7 +26,7 @@ Usage of ./veneur-prometheus:
   -key string
     	The path to a private key to use for mTLS. Only used if using mTLS.
   -p string
-    	A prefix to append to any metrics emitted. Do not include a trailing period.
+    	A prefix to append to any metrics emitted. Include a trailing period. (e.g. "myservice.")
   -s string
     	The host and port — like '127.0.0.1:8126' — to send our metrics to. (default "127.0.0.1:8126")
 ```
diff --git a/cmd/veneur-prometheus/main.go b/cmd/veneur-prometheus/main.go
@@ -25,7 +25,7 @@ var (
 	interval          = flag.String("i", "10s", "The interval at which to query. Value must be parseable by time.ParseDuration (https://golang.org/pkg/time/#ParseDuration).")
 	ignoredLabelsStr  = flag.String("ignored-labels", "", "A comma-seperated list of label name regexes to not export")
 	ignoredMetricsStr = flag.String("ignored-metrics", "", "A comma-seperated list of metric name regexes to not export")
-	prefix            = flag.String("p", "", "A prefix to append to any metrics emitted. Do not include a trailing period.")
+	prefix            = flag.String("p", "", "A prefix to append to any metrics emitted. Include a trailing period. (e.g. \"myservice.\")")
 	statsHost         = flag.String("s", "127.0.0.1:8126", "The host and port — like '127.0.0.1:8126' — to send our metrics to.")
 
 	// mTLS params for collecting metrics