diff --git a/id/opaque.go b/id/opaque.go
index 0ec37da0..fd17a8db 100644
--- a/id/opaque.go
+++ b/id/opaque.go
@@ -46,4 +46,4 @@ func (eventID EventID) String() string {
 
 func (batchID BatchID) String() string {
 	return string(batchID)
-}
\ No newline at end of file
+}