diff --git a/sync_test.go b/sync_test.go
index 156851a..76d5aed 100644
--- a/sync_test.go
+++ b/sync_test.go
@@ -1,4 +1,4 @@
-// go test --race -test.v sync_test.go 
+// go test -race -test.v sync_test.go 
 
 package draw2d_test