diff --git a/config.go b/config.go
index 63fab47..ac64554 100644
--- a/config.go
+++ b/config.go
@@ -107,15 +107,15 @@ func setConfigDefaults() {
 
 func validateConfig(cfg *Config) error {
 	if cfg.Elasticsearch.URL == "" {
-		return fmt.Errorf("elasticsearch.url ist erforderlich")
+		return fmt.Errorf("elasticsearch.url is required")
 	}
 
 	if cfg.Elasticsearch.Index == "" {
-		return fmt.Errorf("elasticsearch.index ist erforderlich")
+		return fmt.Errorf("elasticsearch.index is required")
 	}
 
 	if cfg.PollIntervalSeconds <= 0 {
-		log.Printf("Warnung: poll_interval_seconds ist %d, setze auf 30", cfg.PollIntervalSeconds)
+		log.Printf("Warning: poll_interval_seconds is %d, setting to 30", cfg.PollIntervalSeconds)
 		cfg.PollIntervalSeconds = 30
 	}