diff --git a/cmd/prometheus/config.go b/cmd/prometheus/config.go
index 568bcaa4d..60b303adf 100644
--- a/cmd/prometheus/config.go
+++ b/cmd/prometheus/config.go
@@ -27,6 +27,8 @@ import (
 
 	"github.com/asaskevich/govalidator"
 	"github.com/prometheus/common/log"
+	"github.com/prometheus/common/model"
+	"github.com/prometheus/prometheus/config"
 	"github.com/prometheus/prometheus/notifier"
 	"github.com/prometheus/prometheus/promql"
 	"github.com/prometheus/prometheus/storage/local"
@@ -34,8 +36,6 @@ import (
 	"github.com/prometheus/prometheus/storage/local/index"
 	"github.com/prometheus/prometheus/storage/remote"
 	"github.com/prometheus/prometheus/web"
-	"github.com/prometheus/prometheus/config"
-	"github.com/prometheus/common/model"
 )
 
 // cfg contains immutable configuration parameters for a running Prometheus
@@ -404,7 +404,6 @@ func parseAlertmanagerURLToConfig(us string) (*config.AlertmanagerConfig, error)
 	return acfg, nil
 }
 
-
 var helpTmpl = `
 usage: prometheus [<args>]
 {{ range $cat, $flags := . }}{{ if ne $cat "." }} == {{ $cat | upper }} =={{ end }}
diff --git a/cmd/prometheus/config_test.go b/cmd/prometheus/config_test.go
index 406243456..a4e396407 100644
--- a/cmd/prometheus/config_test.go
+++ b/cmd/prometheus/config_test.go
@@ -83,17 +83,17 @@ func TestParse(t *testing.T) {
 
 func TestParseAlertmanagerURLToConfig(t *testing.T) {
 	tests := []struct {
-		url string
+		url      string
 		username string
 		password string
 	}{
 		{
-			url: "http://alertmanager.company.com",
+			url:      "http://alertmanager.company.com",
 			username: "",
 			password: "",
 		},
 		{
-			url: "https://user:password@alertmanager.company.com",
+			url:      "https://user:password@alertmanager.company.com",
 			username: "user",
 			password: "password",
 		},
@@ -122,4 +122,4 @@ func TestParseAlertmanagerURLToConfig(t *testing.T) {
 			t.Errorf("%d. expected alertmanagerConfig to have basicAuth filled, but was not", i)
 		}
 	}
-}
\ No newline at end of file
+}