diff --git a/provider/helper.go b/provider/helper.go
index ab70f22d1..2273185bd 100644
--- a/provider/helper.go
+++ b/provider/helper.go
@@ -6,7 +6,7 @@ import (
 	"github.com/andig/evcc/util"
 )
 
-// setFormattedValue formats a message template of returns the value formatted as %v is template is empty
+// setFormattedValue formats a message template or returns the value formatted as %v if the message template is empty
 func setFormattedValue(message, param string, v interface{}) (string, error) {
 	if message == "" {
 		return fmt.Sprintf("%v", v), nil