diff --git a/migrator.go b/migrator.go
index 39c4871b9d..34e888f2b1 100644
--- a/migrator.go
+++ b/migrator.go
@@ -50,6 +50,7 @@ type ColumnType interface {
 	Comment() (value string, ok bool)
 	DefaultValue() (value string, ok bool)
 }
+
 type Index interface {
 	Table() string
 	Name() string