diff --git a/simplelog.go b/simplelog.go
index 2e5eafc..456dadb 100644
--- a/simplelog.go
+++ b/simplelog.go
@@ -41,7 +41,7 @@ const (
 )
 
 const (
-	Ltime  = 1 << iota //print timestamp format as "2006/01/02 15:04:05.000"
+	Ltime  = 1 << iota // print timestamp format as "2006/01/02 15:04:05.000"
 	Lfile              // print file name and line format as file.go:123
 	Llevel             // print log level format as [Trace|Debug|Info...]
 )