formatter/logstash: style
diff --git a/formatters/logstash/logstash_formatter.go b/formatters/logstash/logstash.go
similarity index 97%
rename from formatters/logstash/logstash_formatter.go
rename to formatters/logstash/logstash.go
index 63ac133..34b1ccb 100644
--- a/formatters/logstash/logstash_formatter.go
+++ b/formatters/logstash/logstash.go
@@ -1,4 +1,4 @@
-package logrus_logstash
+package logstash
 
 import (
 	"encoding/json"
diff --git a/formatters/logstash/logstash_formatter_test.go b/formatters/logstash/logstash_test.go
similarity index 97%
rename from formatters/logstash/logstash_formatter_test.go
rename to formatters/logstash/logstash_test.go
index 7e48201..d8814a0 100644
--- a/formatters/logstash/logstash_formatter_test.go
+++ b/formatters/logstash/logstash_test.go
@@ -1,4 +1,4 @@
-package logrus_logstash
+package logstash
 
 import (
 	"bytes"