Fixes some spelling and grammar in docs and flags

Signed-off-by: JoshVanL <vleeuwenjoshua@gmail.com>

cmd/app/options/app.go

@@ -45,8 +45,8 @@ func (k *KubeOIDCProxyOptions) AddFlags(fs *pflag.FlagSet) *KubeOIDCProxyOptions
 		"Port to expose readiness probe.")
 
 	fs.StringVar(&k.MetricsListenAddress, "metrics-serving-address", "0.0.0.0:80",
-		"Adress to serving metrics on at the /metrics path. An empty address will "+
-			"disable serving metrics.")
+		"Address to serve metrics on at the /metrics path. An empty address will "+
+			"disable serving metrics. Cannot use the same address as proxy or probe.")
 
 	fs.DurationVar(&k.FlushInterval, "flush-interval", time.Millisecond*50,
 		"Specifies the interval to flush request bodies. If 0ms, "+

cmd/app/run.go

@@ -70,6 +70,7 @@ func buildRunCommand(stopCh <-chan struct{}, opts *options.Options) *cobra.Comma
 
 			// Initialise metrics handler
 			metrics := metrics.New()
+			// Add the metrics server as a shutdown hook
 			hooks.AddPreShutdownHook("Metrics", metrics.Shutdown)
 
 			// Initialise token reviewer if enabled
@@ -124,7 +125,7 @@ func buildRunCommand(stopCh <-chan struct{}, opts *options.Options) *cobra.Comma
 					return err
 				}
 			} else {
-				klog.Info("metrics listen address empty, disabling serving")
+				klog.Info("metrics listen address empty, disabling serving metrics")
 			}
 
 			// Run proxy

docs/tasks/metrics.md

@@ -11,15 +11,15 @@ The proxy exposes the following metrics:
 
 ### kube_oidc_proxy_http_client_requests
 counter - {http status code, path, remote address}
-The number of requests for incoming requests.
+The number of incoming requests.
 
 ### kube_oidc_proxy_http_client_duration_seconds
 histogram - {remote address}
 The duration in seconds for incoming client requests to be responded to.
 
 ### kube_oidc_proxy_http_server_requests
 counter - {http status code, path, remote address}
-The requests for outgoing server requests.
+The number of outgoing server requests.
 
 ### kube_oidc_proxy_http_server_duration_seconds
 histogram - {remote address}